13227820

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1571}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 27862128

約数和(自身を除く): 14634308

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1571, 1684, 2105, 3142, 4210, 6284, 7855, 8420, 15710, 31420, 661391, 1322782, 2645564, 3306955, 6613910, 13227820]

約数ペア:

[(1, 13227820), (2, 6613910), (4, 3306955), (5, 2645564), (10, 1322782), (20, 661391), (421, 31420), (842, 15710), (1571, 8420), (1684, 7855), (2105, 6284), (3142, 4210)]