20851489918

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3362059}}^1$

素因数の和:3362511

約数の個数: 16

約数和(自身を含む): 35826111360

約数和(自身を除く): 14974621442

約数列:

[1, 2, 7, 14, 443, 886, 3101, 6202, 3362059, 6724118, 23534413, 47068826, 1489392137, 2978784274, 10425744959, 20851489918]

約数ペア:

[(1, 20851489918), (2, 10425744959), (7, 2978784274), (14, 1489392137), (443, 47068826), (886, 23534413), (3101, 6724118), (6202, 3362059)]