20974889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 24167808

約数和(自身を除く): 3192919

約数列:

[1, 13, 17, 107, 221, 887, 1391, 1819, 11531, 15079, 23647, 94909, 196027, 1233817, 1613453, 20974889]

約数ペア:

[(1, 20974889), (13, 1613453), (17, 1233817), (107, 196027), (221, 94909), (887, 23647), (1391, 15079), (1819, 11531)]