20565688078

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{60845231}}^1$

素因数の和:60845259

約数の個数: 12

約数和(自身を含む): 33404032368

約数和(自身を除く): 12838344290

約数列:

[1, 2, 13, 26, 169, 338, 60845231, 121690462, 790988003, 1581976006, 10282844039, 20565688078]

約数ペア:

[(1, 20565688078), (2, 10282844039), (13, 1581976006), (26, 790988003), (169, 121690462), (338, 60845231)]