20647212

素因数分解:

$2^2\times 3^1\times {\mathrm{167}}^1\times {\mathrm{10303}}^1$

素因数の和:10477

約数の個数: 24

約数和(自身を含む): 48470016

約数和(自身を除く): 27822804

約数列:

[1, 2, 3, 4, 6, 12, 167, 334, 501, 668, 1002, 2004, 10303, 20606, 30909, 41212, 61818, 123636, 1720601, 3441202, 5161803, 6882404, 10323606, 20647212]

約数ペア:

[(1, 20647212), (2, 10323606), (3, 6882404), (4, 5161803), (6, 3441202), (12, 1720601), (167, 123636), (334, 61818), (501, 41212), (668, 30909), (1002, 20606), (2004, 10303)]