20799396520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1093}}^1$

素因数の和:1217

約数の個数: 256

約数和(自身を含む): 58288320000

約数和(自身を除く): 37488923480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 73, 76, 95, 98, 133, 140, 146, 152, 190, 196, 245, 266, 280, 292, 343, 365, 380, 392, 490, 511, 532, 584, 665, 686, 730, 760, 931, 980, 1022, 1064, 1093, 1330, 1372, 1387, 1460, 1715, 1862, 1960, 2044, 2186, 2555, 2660, 2744, 2774, 2920, 3430, 3577, 3724, 4088, 4372, 4655, 5110, 5320, 5465, 5548, 6517, 6860, 6935, 7154, 7448, 7651, 8744, 9310, 9709, 10220, 10930, 11096, 13034, 13720, 13870, 14308, 15302, 17885, 18620, 19418, 20440, 20767, 21860, 25039, 26068, 27740, 28616, 30604, 32585, 35770, 37240, 38255, 38836, 41534, 43720, 48545, 50078, 52136, 53557, 55480, 61208, 65170, 67963, 71540, 76510, 77672, 79789, 83068, 97090, 100156, 103835, 107114, 125195, 130340, 135926, 143080, 145369, 153020, 159578, 166136, 194180, 200312, 207670, 214228, 250390, 260680, 267785, 271852, 290738, 306040, 319156, 339815, 374899, 388360, 398945, 415340, 428456, 475741, 500780, 535570, 543704, 558523, 581476, 638312, 679630, 726845, 749798, 797890, 830680, 951482, 1001560, 1017583, 1071140, 1117046, 1162952, 1359260, 1453690, 1499596, 1515991, 1595780, 1874495, 1902964, 2035166, 2142280, 2234092, 2378705, 2718520, 2792615, 2907380, 2999192, 3031982, 3191560, 3748990, 3805928, 3909661, 4070332, 4468184, 4757410, 5087915, 5585230, 5814760, 6063964, 7123081, 7497980, 7579955, 7819322, 8140664, 9514820, 10175830, 10611937, 11170460, 12127928, 14246162, 14995960, 15159910, 15638644, 19029640, 19548305, 20351660, 21223874, 22340920, 27367627, 28492324, 30319820, 31277288, 35615405, 39096610, 40703320, 42447748, 53059685, 54735254, 56984648, 60639640, 71230810, 74283559, 78193220, 84895496, 106119370, 109470508, 136838135, 142461620, 148567118, 156386440, 212238740, 218941016, 273676270, 284923240, 297134236, 371417795, 424477480, 519984913, 547352540, 594268472, 742835590, 1039969826, 1094705080, 1485671180, 2079939652, 2599924565, 2971342360, 4159879304, 5199849130, 10399698260, 20799396520]

約数ペア:

[(1, 20799396520), (2, 10399698260), (4, 5199849130), (5, 4159879304), (7, 2971342360), (8, 2599924565), (10, 2079939652), (14, 1485671180), (19, 1094705080), (20, 1039969826), (28, 742835590), (35, 594268472), (38, 547352540), (40, 519984913), (49, 424477480), (56, 371417795), (70, 297134236), (73, 284923240), (76, 273676270), (95, 218941016), (98, 212238740), (133, 156386440), (140, 148567118), (146, 142461620), (152, 136838135), (190, 109470508), (196, 106119370), (245, 84895496), (266, 78193220), (280, 74283559), (292, 71230810), (343, 60639640), (365, 56984648), (380, 54735254), (392, 53059685), (490, 42447748), (511, 40703320), (532, 39096610), (584, 35615405), (665, 31277288), (686, 30319820), (730, 28492324), (760, 27367627), (931, 22340920), (980, 21223874), (1022, 20351660), (1064, 19548305), (1093, 19029640), (1330, 15638644), (1372, 15159910), (1387, 14995960), (1460, 14246162), (1715, 12127928), (1862, 11170460), (1960, 10611937), (2044, 10175830), (2186, 9514820), (2555, 8140664), (2660, 7819322), (2744, 7579955), (2774, 7497980), (2920, 7123081), (3430, 6063964), (3577, 5814760), (3724, 5585230), (4088, 5087915), (4372, 4757410), (4655, 4468184), (5110, 4070332), (5320, 3909661), (5465, 3805928), (5548, 3748990), (6517, 3191560), (6860, 3031982), (6935, 2999192), (7154, 2907380), (7448, 2792615), (7651, 2718520), (8744, 2378705), (9310, 2234092), (9709, 2142280), (10220, 2035166), (10930, 1902964), (11096, 1874495), (13034, 1595780), (13720, 1515991), (13870, 1499596), (14308, 1453690), (15302, 1359260), (17885, 1162952), (18620, 1117046), (19418, 1071140), (20440, 1017583), (20767, 1001560), (21860, 951482), (25039, 830680), (26068, 797890), (27740, 749798), (28616, 726845), (30604, 679630), (32585, 638312), (35770, 581476), (37240, 558523), (38255, 543704), (38836, 535570), (41534, 500780), (43720, 475741), (48545, 428456), (50078, 415340), (52136, 398945), (53557, 388360), (55480, 374899), (61208, 339815), (65170, 319156), (67963, 306040), (71540, 290738), (76510, 271852), (77672, 267785), (79789, 260680), (83068, 250390), (97090, 214228), (100156, 207670), (103835, 200312), (107114, 194180), (125195, 166136), (130340, 159578), (135926, 153020), (143080, 145369)]