20378201851

素因数分解:

$7^1\times {\mathrm{42719}}^1\times {\mathrm{68147}}^1$

素因数の和:110873

約数の個数: 8

約数和(自身を含む): 23290260480

約数和(自身を除く): 2912058629

約数列:

[1, 7, 42719, 68147, 299033, 477029, 2911171693, 20378201851]

約数ペア:

[(1, 20378201851), (7, 2911171693), (42719, 477029), (68147, 299033)]