2016470620

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{157291}}^1$

素因数の和:157941

約数の個数: 24

約数和(自身を含む): 4241221488

約数和(自身を除く): 2224750868

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 157291, 314582, 629164, 786455, 1572910, 3145820, 100823531, 201647062, 403294124, 504117655, 1008235310, 2016470620]

約数ペア:

[(1, 2016470620), (2, 1008235310), (4, 504117655), (5, 403294124), (10, 201647062), (20, 100823531), (641, 3145820), (1282, 1572910), (2564, 786455), (3205, 629164), (6410, 314582), (12820, 157291)]