20728700928

素因数分解:

$2^{13}\times 3^7\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 448

約数和(自身を含む): 67707662400

約数和(自身を除く): 46978961472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 89, 96, 104, 108, 117, 128, 144, 156, 162, 178, 192, 208, 216, 234, 243, 256, 267, 288, 312, 324, 351, 356, 384, 416, 432, 468, 486, 512, 534, 576, 624, 648, 702, 712, 729, 768, 801, 832, 864, 936, 972, 1024, 1053, 1068, 1152, 1157, 1248, 1296, 1404, 1424, 1458, 1536, 1602, 1664, 1728, 1872, 1944, 2048, 2106, 2136, 2187, 2304, 2314, 2403, 2496, 2592, 2808, 2848, 2916, 3072, 3159, 3204, 3328, 3456, 3471, 3744, 3888, 4096, 4212, 4272, 4374, 4608, 4628, 4806, 4992, 5184, 5616, 5696, 5832, 6144, 6318, 6408, 6656, 6912, 6942, 7209, 7488, 7776, 8192, 8424, 8544, 8748, 9216, 9256, 9477, 9612, 9984, 10368, 10413, 11232, 11392, 11664, 12288, 12636, 12816, 13312, 13824, 13884, 14418, 14976, 15552, 16848, 17088, 17496, 18432, 18512, 18954, 19224, 19968, 20736, 20826, 21627, 22464, 22784, 23328, 24576, 25272, 25632, 26624, 27648, 27768, 28431, 28836, 29952, 31104, 31239, 33696, 34176, 34992, 36864, 37024, 37908, 38448, 39936, 41472, 41652, 43254, 44928, 45568, 46656, 50544, 51264, 53248, 55296, 55536, 56862, 57672, 59904, 62208, 62478, 64881, 67392, 68352, 69984, 73728, 74048, 75816, 76896, 79872, 82944, 83304, 86508, 89856, 91136, 93312, 93717, 101088, 102528, 106496, 110592, 111072, 113724, 115344, 119808, 124416, 124956, 129762, 134784, 136704, 139968, 148096, 151632, 153792, 159744, 165888, 166608, 173016, 179712, 182272, 186624, 187434, 194643, 202176, 205056, 221184, 222144, 227448, 230688, 239616, 248832, 249912, 259524, 269568, 273408, 279936, 281151, 296192, 303264, 307584, 319488, 331776, 333216, 346032, 359424, 364544, 373248, 374868, 389286, 404352, 410112, 444288, 454896, 461376, 479232, 497664, 499824, 519048, 539136, 546816, 559872, 562302, 592384, 606528, 615168, 663552, 666432, 692064, 718848, 729088, 746496, 749736, 778572, 808704, 820224, 843453, 888576, 909792, 922752, 958464, 995328, 999648, 1038096, 1078272, 1093632, 1119744, 1124604, 1184768, 1213056, 1230336, 1332864, 1384128, 1437696, 1492992, 1499472, 1557144, 1617408, 1640448, 1686906, 1777152, 1819584, 1845504, 1990656, 1999296, 2076192, 2156544, 2187264, 2239488, 2249208, 2369536, 2426112, 2460672, 2530359, 2665728, 2768256, 2875392, 2985984, 2998944, 3114288, 3234816, 3280896, 3373812, 3554304, 3639168, 3691008, 3998592, 4152384, 4313088, 4478976, 4498416, 4739072, 4852224, 4921344, 5060718, 5331456, 5536512, 5971968, 5997888, 6228576, 6469632, 6561792, 6747624, 7108608, 7278336, 7382016, 7997184, 8304768, 8626176, 8957952, 8996832, 9478144, 9704448, 9842688, 10121436, 10662912, 11073024, 11995776, 12457152, 12939264, 13495248, 14217216, 14556672, 14764032, 15994368, 16609536, 17915904, 17993664, 19408896, 19685376, 20242872, 21325824, 22146048, 23991552, 24914304, 25878528, 26990496, 28434432, 29113344, 29528064, 31988736, 33219072, 35987328, 38817792, 40485744, 42651648, 44292096, 47983104, 49828608, 53980992, 58226688, 59056128, 63977472, 66438144, 71974656, 77635584, 80971488, 85303296, 88584192, 95966208, 99657216, 107961984, 116453376, 127954944, 132876288, 143949312, 161942976, 177168384, 191932416, 199314432, 215923968, 232906752, 255909888, 265752576, 287898624, 323885952, 383864832, 398628864, 431847936, 531505152, 575797248, 647771904, 767729664, 797257728, 863695872, 1151594496, 1295543808, 1594515456, 1727391744, 2303188992, 2591087616, 3454783488, 5182175232, 6909566976, 10364350464, 20728700928]

約数ペア:

[(1, 20728700928), (2, 10364350464), (3, 6909566976), (4, 5182175232), (6, 3454783488), (8, 2591087616), (9, 2303188992), (12, 1727391744), (13, 1594515456), (16, 1295543808), (18, 1151594496), (24, 863695872), (26, 797257728), (27, 767729664), (32, 647771904), (36, 575797248), (39, 531505152), (48, 431847936), (52, 398628864), (54, 383864832), (64, 323885952), (72, 287898624), (78, 265752576), (81, 255909888), (89, 232906752), (96, 215923968), (104, 199314432), (108, 191932416), (117, 177168384), (128, 161942976), (144, 143949312), (156, 132876288), (162, 127954944), (178, 116453376), (192, 107961984), (208, 99657216), (216, 95966208), (234, 88584192), (243, 85303296), (256, 80971488), (267, 77635584), (288, 71974656), (312, 66438144), (324, 63977472), (351, 59056128), (356, 58226688), (384, 53980992), (416, 49828608), (432, 47983104), (468, 44292096), (486, 42651648), (512, 40485744), (534, 38817792), (576, 35987328), (624, 33219072), (648, 31988736), (702, 29528064), (712, 29113344), (729, 28434432), (768, 26990496), (801, 25878528), (832, 24914304), (864, 23991552), (936, 22146048), (972, 21325824), (1024, 20242872), (1053, 19685376), (1068, 19408896), (1152, 17993664), (1157, 17915904), (1248, 16609536), (1296, 15994368), (1404, 14764032), (1424, 14556672), (1458, 14217216), (1536, 13495248), (1602, 12939264), (1664, 12457152), (1728, 11995776), (1872, 11073024), (1944, 10662912), (2048, 10121436), (2106, 9842688), (2136, 9704448), (2187, 9478144), (2304, 8996832), (2314, 8957952), (2403, 8626176), (2496, 8304768), (2592, 7997184), (2808, 7382016), (2848, 7278336), (2916, 7108608), (3072, 6747624), (3159, 6561792), (3204, 6469632), (3328, 6228576), (3456, 5997888), (3471, 5971968), (3744, 5536512), (3888, 5331456), (4096, 5060718), (4212, 4921344), (4272, 4852224), (4374, 4739072), (4608, 4498416), (4628, 4478976), (4806, 4313088), (4992, 4152384), (5184, 3998592), (5616, 3691008), (5696, 3639168), (5832, 3554304), (6144, 3373812), (6318, 3280896), (6408, 3234816), (6656, 3114288), (6912, 2998944), (6942, 2985984), (7209, 2875392), (7488, 2768256), (7776, 2665728), (8192, 2530359), (8424, 2460672), (8544, 2426112), (8748, 2369536), (9216, 2249208), (9256, 2239488), (9477, 2187264), (9612, 2156544), (9984, 2076192), (10368, 1999296), (10413, 1990656), (11232, 1845504), (11392, 1819584), (11664, 1777152), (12288, 1686906), (12636, 1640448), (12816, 1617408), (13312, 1557144), (13824, 1499472), (13884, 1492992), (14418, 1437696), (14976, 1384128), (15552, 1332864), (16848, 1230336), (17088, 1213056), (17496, 1184768), (18432, 1124604), (18512, 1119744), (18954, 1093632), (19224, 1078272), (19968, 1038096), (20736, 999648), (20826, 995328), (21627, 958464), (22464, 922752), (22784, 909792), (23328, 888576), (24576, 843453), (25272, 820224), (25632, 808704), (26624, 778572), (27648, 749736), (27768, 746496), (28431, 729088), (28836, 718848), (29952, 692064), (31104, 666432), (31239, 663552), (33696, 615168), (34176, 606528), (34992, 592384), (36864, 562302), (37024, 559872), (37908, 546816), (38448, 539136), (39936, 519048), (41472, 499824), (41652, 497664), (43254, 479232), (44928, 461376), (45568, 454896), (46656, 444288), (50544, 410112), (51264, 404352), (53248, 389286), (55296, 374868), (55536, 373248), (56862, 364544), (57672, 359424), (59904, 346032), (62208, 333216), (62478, 331776), (64881, 319488), (67392, 307584), (68352, 303264), (69984, 296192), (73728, 281151), (74048, 279936), (75816, 273408), (76896, 269568), (79872, 259524), (82944, 249912), (83304, 248832), (86508, 239616), (89856, 230688), (91136, 227448), (93312, 222144), (93717, 221184), (101088, 205056), (102528, 202176), (106496, 194643), (110592, 187434), (111072, 186624), (113724, 182272), (115344, 179712), (119808, 173016), (124416, 166608), (124956, 165888), (129762, 159744), (134784, 153792), (136704, 151632), (139968, 148096)]