20793885872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1\times {\mathrm{1129}}^1$

素因数の和:1762

約数の個数: 80

約数和(自身を含む): 42291578880

約数和(自身を除く): 21497693008

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 523, 568, 1046, 1129, 1136, 2092, 2201, 2258, 4184, 4402, 4516, 8368, 8804, 9032, 16213, 17608, 18064, 32426, 34999, 35216, 37133, 64852, 69998, 74266, 80159, 129704, 139996, 148532, 160318, 259408, 279992, 297064, 320636, 559984, 590467, 594128, 641272, 1151123, 1180934, 1282544, 2302246, 2361868, 2484929, 4604492, 4723736, 4969858, 9208984, 9447472, 9939716, 18304477, 18417968, 19879432, 36608954, 39758864, 41923157, 73217908, 83846314, 146435816, 167692628, 292871632, 335385256, 670770512, 1299617867, 2599235734, 5198471468, 10396942936, 20793885872]

約数ペア:

[(1, 20793885872), (2, 10396942936), (4, 5198471468), (8, 2599235734), (16, 1299617867), (31, 670770512), (62, 335385256), (71, 292871632), (124, 167692628), (142, 146435816), (248, 83846314), (284, 73217908), (496, 41923157), (523, 39758864), (568, 36608954), (1046, 19879432), (1129, 18417968), (1136, 18304477), (2092, 9939716), (2201, 9447472), (2258, 9208984), (4184, 4969858), (4402, 4723736), (4516, 4604492), (8368, 2484929), (8804, 2361868), (9032, 2302246), (16213, 1282544), (17608, 1180934), (18064, 1151123), (32426, 641272), (34999, 594128), (35216, 590467), (37133, 559984), (64852, 320636), (69998, 297064), (74266, 279992), (80159, 259408), (129704, 160318), (139996, 148532)]