20313878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45959}}^1$

素因数の和:45991

約数の個数: 16

約数和(自身を含む): 34745760

約数和(自身を除く): 14431882

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 45959, 91918, 597467, 781303, 1194934, 1562606, 10156939, 20313878]

約数ペア:

[(1, 20313878), (2, 10156939), (13, 1562606), (17, 1194934), (26, 781303), (34, 597467), (221, 91918), (442, 45959)]