20197255552

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{320063}}^1$

素因数の和:320123

約数の個数: 64

約数和(自身を含む): 44072812800

約数和(自身を除く): 23875557248

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 128, 136, 232, 272, 464, 493, 544, 928, 986, 1088, 1856, 1972, 2176, 3712, 3944, 7888, 15776, 31552, 63104, 320063, 640126, 1280252, 2560504, 5121008, 5441071, 9281827, 10242016, 10882142, 18563654, 20484032, 21764284, 37127308, 40968064, 43528568, 74254616, 87057136, 148509232, 157791059, 174114272, 297018464, 315582118, 348228544, 594036928, 631164236, 696457088, 1188073856, 1262328472, 2524656944, 5049313888, 10098627776, 20197255552]

約数ペア:

[(1, 20197255552), (2, 10098627776), (4, 5049313888), (8, 2524656944), (16, 1262328472), (17, 1188073856), (29, 696457088), (32, 631164236), (34, 594036928), (58, 348228544), (64, 315582118), (68, 297018464), (116, 174114272), (128, 157791059), (136, 148509232), (232, 87057136), (272, 74254616), (464, 43528568), (493, 40968064), (544, 37127308), (928, 21764284), (986, 20484032), (1088, 18563654), (1856, 10882142), (1972, 10242016), (2176, 9281827), (3712, 5441071), (3944, 5121008), (7888, 2560504), (15776, 1280252), (31552, 640126), (63104, 320063)]