20020748839

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31429747}}^1$

素因数の和:31429774

約数の個数: 12

約数和(自身を含む): 25080938904

約数和(自身を除く): 5060190065

約数列:

[1, 7, 13, 49, 91, 637, 31429747, 220008229, 408586711, 1540057603, 2860106977, 20020748839]

約数ペア:

[(1, 20020748839), (7, 2860106977), (13, 1540057603), (49, 408586711), (91, 220008229), (637, 31429747)]