20856937336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1282399}}^1$

素因数の和:1282531

約数の個数: 32

約数和(自身を含む): 41549760000

約数和(自身を除く): 20692822664

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 2033, 4066, 8132, 16264, 1282399, 2564798, 5129596, 10259192, 24365581, 48731162, 97462324, 137216693, 194924648, 274433386, 548866772, 1097733544, 2607117167, 5214234334, 10428468668, 20856937336]

約数ペア:

[(1, 20856937336), (2, 10428468668), (4, 5214234334), (8, 2607117167), (19, 1097733544), (38, 548866772), (76, 274433386), (107, 194924648), (152, 137216693), (214, 97462324), (428, 48731162), (856, 24365581), (2033, 10259192), (4066, 5129596), (8132, 2564798), (16264, 1282399)]