22017820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2441}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 51692256

約数和(自身を除く): 29674436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 2441, 4510, 4882, 9020, 9764, 12205, 24410, 26851, 48820, 53702, 100081, 107404, 134255, 200162, 268510, 400324, 500405, 537020, 1000810, 1100891, 2001620, 2201782, 4403564, 5504455, 11008910, 22017820]

約数ペア:

[(1, 22017820), (2, 11008910), (4, 5504455), (5, 4403564), (10, 2201782), (11, 2001620), (20, 1100891), (22, 1000810), (41, 537020), (44, 500405), (55, 400324), (82, 268510), (110, 200162), (164, 134255), (205, 107404), (220, 100081), (410, 53702), (451, 48820), (820, 26851), (902, 24410), (1804, 12205), (2255, 9764), (2441, 9020), (4510, 4882)]