20954744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154079}}^1$

素因数の和:154102

約数の個数: 16

約数和(自身を含む): 41601600

約数和(自身を除く): 20646856

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154079, 308158, 616316, 1232632, 2619343, 5238686, 10477372, 20954744]

約数ペア:

[(1, 20954744), (2, 10477372), (4, 5238686), (8, 2619343), (17, 1232632), (34, 616316), (68, 308158), (136, 154079)]