20443564

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 36550080

約数和(自身を除く): 16106516

約数列:

[1, 2, 4, 83, 139, 166, 278, 332, 443, 556, 886, 1772, 11537, 23074, 36769, 46148, 61577, 73538, 123154, 147076, 246308, 5110891, 10221782, 20443564]

約数ペア:

[(1, 20443564), (2, 10221782), (4, 5110891), (83, 246308), (139, 147076), (166, 123154), (278, 73538), (332, 61577), (443, 46148), (556, 36769), (886, 23074), (1772, 11537)]