20389996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2843}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 39178944

約数和(自身を除く): 18788948

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 2843, 3586, 5686, 7172, 11372, 31273, 62546, 125092, 463409, 926818, 1853636, 5097499, 10194998, 20389996]

約数ペア:

[(1, 20389996), (2, 10194998), (4, 5097499), (11, 1853636), (22, 926818), (44, 463409), (163, 125092), (326, 62546), (652, 31273), (1793, 11372), (2843, 7172), (3586, 5686)]