20176901984

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{2287}}^1\times {\mathrm{11987}}^1$

素因数の和:14307

約数の個数: 48

約数和(自身を含む): 41471958528

約数和(自身を除く): 21295056544

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 2287, 4574, 9148, 11987, 18296, 23974, 36592, 47948, 52601, 73184, 95896, 105202, 191792, 210404, 275701, 383584, 420808, 551402, 841616, 1102804, 1683232, 2205608, 4411216, 8822432, 27414269, 54828538, 109657076, 219314152, 438628304, 630528187, 877256608, 1261056374, 2522112748, 5044225496, 10088450992, 20176901984]

約数ペア:

[(1, 20176901984), (2, 10088450992), (4, 5044225496), (8, 2522112748), (16, 1261056374), (23, 877256608), (32, 630528187), (46, 438628304), (92, 219314152), (184, 109657076), (368, 54828538), (736, 27414269), (2287, 8822432), (4574, 4411216), (9148, 2205608), (11987, 1683232), (18296, 1102804), (23974, 841616), (36592, 551402), (47948, 420808), (52601, 383584), (73184, 275701), (95896, 210404), (105202, 191792)]