13305469420

素因数分解:

$2^2\times 5^1\times {\mathrm{665273471}}^1$

素因数の和:665273480

約数の個数: 12

約数和(自身を含む): 27941485824

約数和(自身を除く): 14636016404

約数列:

[1, 2, 4, 5, 10, 20, 665273471, 1330546942, 2661093884, 3326367355, 6652734710, 13305469420]

約数ペア:

[(1, 13305469420), (2, 6652734710), (4, 3326367355), (5, 2661093884), (10, 1330546942), (20, 665273471)]