20123701910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154797707}}^1$

素因数の和:154797727

約数の個数: 16

約数和(自身を含む): 39009022416

約数和(自身を除く): 18885320506

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154797707, 309595414, 773988535, 1547977070, 2012370191, 4024740382, 10061850955, 20123701910]

約数ペア:

[(1, 20123701910), (2, 10061850955), (5, 4024740382), (10, 2012370191), (13, 1547977070), (26, 773988535), (65, 309595414), (130, 154797707)]