20176045880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{424223}}^1$

素因数の和:424304

約数の個数: 64

約数和(自身を含む): 48107001600

約数和(自身を除く): 27930955720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 23780, 47560, 424223, 848446, 1696892, 2121115, 3393784, 4242230, 8484460, 12302467, 16968920, 17393143, 24604934, 34786286, 49209868, 61512335, 69572572, 86965715, 98419736, 123024670, 139145144, 173931430, 246049340, 347862860, 492098680, 504401147, 695725720, 1008802294, 2017604588, 2522005735, 4035209176, 5044011470, 10088022940, 20176045880]

約数ペア:

[(1, 20176045880), (2, 10088022940), (4, 5044011470), (5, 4035209176), (8, 2522005735), (10, 2017604588), (20, 1008802294), (29, 695725720), (40, 504401147), (41, 492098680), (58, 347862860), (82, 246049340), (116, 173931430), (145, 139145144), (164, 123024670), (205, 98419736), (232, 86965715), (290, 69572572), (328, 61512335), (410, 49209868), (580, 34786286), (820, 24604934), (1160, 17393143), (1189, 16968920), (1640, 12302467), (2378, 8484460), (4756, 4242230), (5945, 3393784), (9512, 2121115), (11890, 1696892), (23780, 848446), (47560, 424223)]