22278220

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1091}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 46873008

約数和(自身を除く): 24594788

約数列:

[1, 2, 4, 5, 10, 20, 1021, 1091, 2042, 2182, 4084, 4364, 5105, 5455, 10210, 10910, 20420, 21820, 1113911, 2227822, 4455644, 5569555, 11139110, 22278220]

約数ペア:

[(1, 22278220), (2, 11139110), (4, 5569555), (5, 4455644), (10, 2227822), (20, 1113911), (1021, 21820), (1091, 20420), (2042, 10910), (2182, 10210), (4084, 5455), (4364, 5105)]