20168108

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 37820160

約数和(自身を除く): 17652052

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 127, 148, 254, 508, 1073, 1369, 2146, 2738, 3683, 4292, 4699, 5476, 7366, 9398, 14732, 18796, 39701, 79402, 136271, 158804, 173863, 272542, 347726, 545084, 695452, 5042027, 10084054, 20168108]

約数ペア:

[(1, 20168108), (2, 10084054), (4, 5042027), (29, 695452), (37, 545084), (58, 347726), (74, 272542), (116, 173863), (127, 158804), (148, 136271), (254, 79402), (508, 39701), (1073, 18796), (1369, 14732), (2146, 9398), (2738, 7366), (3683, 5476), (4292, 4699)]