20107672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 43092000

約数和(自身を除く): 22984328

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 59, 104, 113, 116, 118, 226, 232, 236, 377, 452, 472, 754, 767, 904, 1469, 1508, 1534, 1711, 2938, 3016, 3068, 3277, 3422, 5876, 6136, 6554, 6667, 6844, 11752, 13108, 13334, 13688, 22243, 26216, 26668, 42601, 44486, 53336, 85202, 86671, 88972, 170404, 173342, 177944, 193343, 340808, 346684, 386686, 693368, 773372, 1546744, 2513459, 5026918, 10053836, 20107672]

約数ペア:

[(1, 20107672), (2, 10053836), (4, 5026918), (8, 2513459), (13, 1546744), (26, 773372), (29, 693368), (52, 386686), (58, 346684), (59, 340808), (104, 193343), (113, 177944), (116, 173342), (118, 170404), (226, 88972), (232, 86671), (236, 85202), (377, 53336), (452, 44486), (472, 42601), (754, 26668), (767, 26216), (904, 22243), (1469, 13688), (1508, 13334), (1534, 13108), (1711, 11752), (2938, 6844), (3016, 6667), (3068, 6554), (3277, 6136), (3422, 5876)]