20173944777

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1269041}}^1$

素因数の和:1269808

約数の個数: 16

約数和(自身を含む): 30781882752

約数和(自身を除く): 10607937975

約数列:

[1, 3, 7, 21, 757, 2271, 5299, 15897, 1269041, 3807123, 8883287, 26649861, 960664037, 2881992111, 6724648259, 20173944777]

約数ペア:

[(1, 20173944777), (3, 6724648259), (7, 2881992111), (21, 960664037), (757, 26649861), (2271, 8883287), (5299, 3807123), (15897, 1269041)]