20490672208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{757343}}^1$

素因数の和:757459

約数の個数: 40

約数和(自身を含む): 42259795200

約数和(自身を除く): 21769122992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 3382, 6764, 13528, 27056, 757343, 1514686, 3029372, 6058744, 12117488, 14389517, 28779034, 57558068, 67403527, 115116136, 134807054, 230232272, 269614108, 539228216, 1078456432, 1280667013, 2561334026, 5122668052, 10245336104, 20490672208]

約数ペア:

[(1, 20490672208), (2, 10245336104), (4, 5122668052), (8, 2561334026), (16, 1280667013), (19, 1078456432), (38, 539228216), (76, 269614108), (89, 230232272), (152, 134807054), (178, 115116136), (304, 67403527), (356, 57558068), (712, 28779034), (1424, 14389517), (1691, 12117488), (3382, 6058744), (6764, 3029372), (13528, 1514686), (27056, 757343)]