20165717

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4549}}^1$

素因数の和:4604

約数の個数: 16

約数和(自身を含む): 24460800

約数和(自身を除く): 4295083

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4549, 50039, 59137, 141019, 650507, 1551209, 1833247, 20165717]

約数ペア:

[(1, 20165717), (11, 1833247), (13, 1551209), (31, 650507), (143, 141019), (341, 59137), (403, 50039), (4433, 4549)]