2019820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9181}}^1$

素因数の和:9201

約数の個数: 24

約数和(自身を含む): 4627728

約数和(自身を除く): 2607908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9181, 18362, 36724, 45905, 91810, 100991, 183620, 201982, 403964, 504955, 1009910, 2019820]

約数ペア:

[(1, 2019820), (2, 1009910), (4, 504955), (5, 403964), (10, 201982), (11, 183620), (20, 100991), (22, 91810), (44, 45905), (55, 36724), (110, 18362), (220, 9181)]