13305902420

素因数分解:

$2^2\times 5^1\times {\mathrm{665295121}}^1$

素因数の和:665295130

約数の個数: 12

約数和(自身を含む): 27942395124

約数和(自身を除く): 14636492704

約数列:

[1, 2, 4, 5, 10, 20, 665295121, 1330590242, 2661180484, 3326475605, 6652951210, 13305902420]

約数ペア:

[(1, 13305902420), (2, 6652951210), (4, 3326475605), (5, 2661180484), (10, 1330590242), (20, 665295121)]