20389968153

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{37140197}}^1$

素因数の和:37140264

約数の個数: 12

約数和(自身を含む): 29934999588

約数和(自身を除く): 9545031435

約数列:

[1, 3, 9, 61, 183, 549, 37140197, 111420591, 334261773, 2265552017, 6796656051, 20389968153]

約数ペア:

[(1, 20389968153), (3, 6796656051), (9, 2265552017), (61, 334261773), (183, 111420591), (549, 37140197)]