435642020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1980191}}^1$

素因数の和:1980211

約数の個数: 24

約数和(自身を含む): 998016768

約数和(自身を除く): 562374748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1980191, 3960382, 7920764, 9900955, 19801910, 21782101, 39603820, 43564202, 87128404, 108910505, 217821010, 435642020]

約数ペア:

[(1, 435642020), (2, 217821010), (4, 108910505), (5, 87128404), (10, 43564202), (11, 39603820), (20, 21782101), (22, 19801910), (44, 9900955), (55, 7920764), (110, 3960382), (220, 1980191)]