20172730879

素因数分解:

$7^1\times {\mathrm{641}}^1\times {\mathrm{4495817}}^1$

素因数の和:4496465

約数の個数: 8

約数和(自身を含む): 23090521248

約数和(自身を除く): 2917790369

約数列:

[1, 7, 641, 4487, 4495817, 31470719, 2881818697, 20172730879]

約数ペア:

[(1, 20172730879), (7, 2881818697), (641, 31470719), (4487, 4495817)]