20565313168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75607769}}^1$

素因数の和:75607794

約数の個数: 20

約数和(自身を含む): 42189135660

約数和(自身を除く): 21623822492

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75607769, 151215538, 302431076, 604862152, 1209724304, 1285332073, 2570664146, 5141328292, 10282656584, 20565313168]

約数ペア:

[(1, 20565313168), (2, 10282656584), (4, 5141328292), (8, 2570664146), (16, 1285332073), (17, 1209724304), (34, 604862152), (68, 302431076), (136, 151215538), (272, 75607769)]