20160687140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{8221}}^1$

素因数の和:8469

約数の個数: 96

約数和(自身を含む): 47140869888

約数和(自身を除く): 26980182748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 157, 220, 284, 314, 355, 628, 710, 781, 785, 1420, 1562, 1570, 1727, 3124, 3140, 3454, 3905, 6908, 7810, 8221, 8635, 11147, 15620, 16442, 17270, 22294, 32884, 34540, 41105, 44588, 55735, 82210, 90431, 111470, 122617, 164420, 180862, 222940, 245234, 361724, 452155, 490468, 583691, 613085, 904310, 1167382, 1226170, 1290697, 1808620, 2334764, 2452340, 2581394, 2918455, 5162788, 5836910, 6420601, 6453485, 11673820, 12841202, 12906970, 14197667, 25682404, 25813940, 28395334, 32103005, 56790668, 64206010, 70988335, 91639487, 128412020, 141976670, 183278974, 283953340, 366557948, 458197435, 916394870, 1008034357, 1832789740, 2016068714, 4032137428, 5040171785, 10080343570, 20160687140]

約数ペア:

[(1, 20160687140), (2, 10080343570), (4, 5040171785), (5, 4032137428), (10, 2016068714), (11, 1832789740), (20, 1008034357), (22, 916394870), (44, 458197435), (55, 366557948), (71, 283953340), (110, 183278974), (142, 141976670), (157, 128412020), (220, 91639487), (284, 70988335), (314, 64206010), (355, 56790668), (628, 32103005), (710, 28395334), (781, 25813940), (785, 25682404), (1420, 14197667), (1562, 12906970), (1570, 12841202), (1727, 11673820), (3124, 6453485), (3140, 6420601), (3454, 5836910), (3905, 5162788), (6908, 2918455), (7810, 2581394), (8221, 2452340), (8635, 2334764), (11147, 1808620), (15620, 1290697), (16442, 1226170), (17270, 1167382), (22294, 904310), (32884, 613085), (34540, 583691), (41105, 490468), (44588, 452155), (55735, 361724), (82210, 245234), (90431, 222940), (111470, 180862), (122617, 164420)]