20811298

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11549}}^1$

素因数の和:11621

約数の個数: 16

約数和(自身を含む): 33679800

約数和(自身を除く): 12868502

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11549, 23098, 196333, 392666, 612097, 1224194, 10405649, 20811298]

約数ペア:

[(1, 20811298), (2, 10405649), (17, 1224194), (34, 612097), (53, 392666), (106, 196333), (901, 23098), (1802, 11549)]