20121557796

素因数分解:

$2^2\times 3^2\times {\mathrm{558932161}}^1$

素因数の和:558932171

約数の個数: 18

約数和(自身を含む): 50862826742

約数和(自身を除く): 30741268946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 558932161, 1117864322, 1676796483, 2235728644, 3353592966, 5030389449, 6707185932, 10060778898, 20121557796]

約数ペア:

[(1, 20121557796), (2, 10060778898), (3, 6707185932), (4, 5030389449), (6, 3353592966), (9, 2235728644), (12, 1676796483), (18, 1117864322), (36, 558932161)]