20813117

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2297}}^1$

素因数の和:2368

約数の個数: 16

約数和(自身を含む): 24322032

約数和(自身を除く): 3508915

約数列:

[1, 13, 17, 41, 221, 533, 697, 2297, 9061, 29861, 39049, 94177, 507637, 1224301, 1601009, 20813117]

約数ペア:

[(1, 20813117), (13, 1601009), (17, 1224301), (41, 507637), (221, 94177), (533, 39049), (697, 29861), (2297, 9061)]