11202220

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1801}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 23613408

約数和(自身を除く): 12411188

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 1801, 3110, 3602, 6220, 7204, 9005, 18010, 36020, 560111, 1120222, 2240444, 2800555, 5601110, 11202220]

約数ペア:

[(1, 11202220), (2, 5601110), (4, 2800555), (5, 2240444), (10, 1120222), (20, 560111), (311, 36020), (622, 18010), (1244, 9005), (1555, 7204), (1801, 6220), (3110, 3602)]