20815696447

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{228743917}}^1$

素因数の和:228743937

約数の個数: 8

約数和(自身を含む): 25619318816

約数和(自身を除く): 4803622369

約数列:

[1, 7, 13, 91, 228743917, 1601207419, 2973670921, 20815696447]

約数ペア:

[(1, 20815696447), (7, 2973670921), (13, 1601207419), (91, 228743917)]