20886260

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2423}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 43981056

約数和(自身を除く): 23094796

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 2423, 4310, 4846, 8620, 9692, 12115, 24230, 48460, 1044313, 2088626, 4177252, 5221565, 10443130, 20886260]

約数ペア:

[(1, 20886260), (2, 10443130), (4, 5221565), (5, 4177252), (10, 2088626), (20, 1044313), (431, 48460), (862, 24230), (1724, 12115), (2155, 9692), (2423, 8620), (4310, 4846)]