20456628

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{2579}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 47822880

約数和(自身を除く): 27366252

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2579, 2644, 3966, 5158, 7737, 7932, 10316, 15474, 30948, 1704719, 3409438, 5114157, 6818876, 10228314, 20456628]

約数ペア:

[(1, 20456628), (2, 10228314), (3, 6818876), (4, 5114157), (6, 3409438), (12, 1704719), (661, 30948), (1322, 15474), (1983, 10316), (2579, 7932), (2644, 7737), (3966, 5158)]