20657136384

素因数分解:

$2^8\times 3^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:1011

約数の個数: 216

約数和(自身を含む): 60767506800

約数和(自身を除く): 40110370416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 128, 131, 144, 178, 192, 256, 262, 267, 288, 356, 384, 393, 524, 534, 576, 712, 768, 769, 786, 801, 1048, 1068, 1152, 1179, 1424, 1538, 1572, 1602, 2096, 2136, 2304, 2307, 2358, 2848, 3076, 3144, 3204, 4192, 4272, 4614, 4716, 5696, 6152, 6288, 6408, 6921, 8384, 8544, 9228, 9432, 11392, 11659, 12304, 12576, 12816, 13842, 16768, 17088, 18456, 18864, 22784, 23318, 24608, 25152, 25632, 27684, 33536, 34176, 34977, 36912, 37728, 46636, 49216, 50304, 51264, 55368, 68352, 68441, 69954, 73824, 75456, 93272, 98432, 100608, 100739, 102528, 104931, 110736, 136882, 139908, 147648, 150912, 186544, 196864, 201478, 205056, 205323, 209862, 221472, 273764, 279816, 295296, 301824, 302217, 373088, 402956, 410646, 419724, 442944, 547528, 559632, 590592, 604434, 615969, 746176, 805912, 821292, 839448, 885888, 906651, 1095056, 1119264, 1208868, 1231938, 1492352, 1611824, 1642584, 1678896, 1771776, 1813302, 2190112, 2238528, 2417736, 2463876, 2984704, 3223648, 3285168, 3357792, 3626604, 4380224, 4477056, 4835472, 4927752, 6447296, 6570336, 6715584, 7253208, 8760448, 8954112, 8965771, 9670944, 9855504, 12894592, 13140672, 13431168, 14506416, 17520896, 17931542, 19341888, 19711008, 25789184, 26281344, 26862336, 26897313, 29012832, 35863084, 38683776, 39422016, 52562688, 53794626, 58025664, 71726168, 77367552, 78844032, 80691939, 107589252, 116051328, 143452336, 157688064, 161383878, 215178504, 232102656, 286904672, 322767756, 430357008, 573809344, 645535512, 860714016, 1147618688, 1291071024, 1721428032, 2295237376, 2582142048, 3442856064, 5164284096, 6885712128, 10328568192, 20657136384]

約数ペア:

[(1, 20657136384), (2, 10328568192), (3, 6885712128), (4, 5164284096), (6, 3442856064), (8, 2582142048), (9, 2295237376), (12, 1721428032), (16, 1291071024), (18, 1147618688), (24, 860714016), (32, 645535512), (36, 573809344), (48, 430357008), (64, 322767756), (72, 286904672), (89, 232102656), (96, 215178504), (128, 161383878), (131, 157688064), (144, 143452336), (178, 116051328), (192, 107589252), (256, 80691939), (262, 78844032), (267, 77367552), (288, 71726168), (356, 58025664), (384, 53794626), (393, 52562688), (524, 39422016), (534, 38683776), (576, 35863084), (712, 29012832), (768, 26897313), (769, 26862336), (786, 26281344), (801, 25789184), (1048, 19711008), (1068, 19341888), (1152, 17931542), (1179, 17520896), (1424, 14506416), (1538, 13431168), (1572, 13140672), (1602, 12894592), (2096, 9855504), (2136, 9670944), (2304, 8965771), (2307, 8954112), (2358, 8760448), (2848, 7253208), (3076, 6715584), (3144, 6570336), (3204, 6447296), (4192, 4927752), (4272, 4835472), (4614, 4477056), (4716, 4380224), (5696, 3626604), (6152, 3357792), (6288, 3285168), (6408, 3223648), (6921, 2984704), (8384, 2463876), (8544, 2417736), (9228, 2238528), (9432, 2190112), (11392, 1813302), (11659, 1771776), (12304, 1678896), (12576, 1642584), (12816, 1611824), (13842, 1492352), (16768, 1231938), (17088, 1208868), (18456, 1119264), (18864, 1095056), (22784, 906651), (23318, 885888), (24608, 839448), (25152, 821292), (25632, 805912), (27684, 746176), (33536, 615969), (34176, 604434), (34977, 590592), (36912, 559632), (37728, 547528), (46636, 442944), (49216, 419724), (50304, 410646), (51264, 402956), (55368, 373088), (68352, 302217), (68441, 301824), (69954, 295296), (73824, 279816), (75456, 273764), (93272, 221472), (98432, 209862), (100608, 205323), (100739, 205056), (102528, 201478), (104931, 196864), (110736, 186544), (136882, 150912), (139908, 147648)]