20786022955684

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{36306449}}^1$

素因数の和:36306617

約数の個数: 72

約数和(自身を含む): 44501832345600

約数和(自身を除く): 23715809389916

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 127, 161, 196, 254, 322, 508, 644, 889, 1127, 1778, 2254, 2921, 3556, 4508, 5842, 6223, 11684, 12446, 20447, 24892, 40894, 81788, 143129, 286258, 572516, 36306449, 72612898, 145225796, 254145143, 508290286, 835048327, 1016580572, 1670096654, 1779016001, 3340193308, 3558032002, 4610919023, 5845338289, 7116064004, 9221838046, 11690676578, 18443676092, 23381353156, 32276433161, 40917368023, 64552866322, 81834736046, 106051137529, 129105732644, 163669472092, 212102275058, 225935032127, 424204550116, 451870064254, 742357962703, 903740128508, 1484715925406, 2969431850812, 5196505738921, 10393011477842, 20786022955684]

約数ペア:

[(1, 20786022955684), (2, 10393011477842), (4, 5196505738921), (7, 2969431850812), (14, 1484715925406), (23, 903740128508), (28, 742357962703), (46, 451870064254), (49, 424204550116), (92, 225935032127), (98, 212102275058), (127, 163669472092), (161, 129105732644), (196, 106051137529), (254, 81834736046), (322, 64552866322), (508, 40917368023), (644, 32276433161), (889, 23381353156), (1127, 18443676092), (1778, 11690676578), (2254, 9221838046), (2921, 7116064004), (3556, 5845338289), (4508, 4610919023), (5842, 3558032002), (6223, 3340193308), (11684, 1779016001), (12446, 1670096654), (20447, 1016580572), (24892, 835048327), (40894, 508290286), (81788, 254145143), (143129, 145225796), (286258, 72612898), (572516, 36306449)]