20160952180

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1227829}}^1$

素因数の和:1228659

約数の個数: 24

約数和(自身を含む): 42389602920

約数和(自身を除く): 22228650740

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 1227829, 2455658, 4911316, 6139145, 12278290, 24556580, 1008047609, 2016095218, 4032190436, 5040238045, 10080476090, 20160952180]

約数ペア:

[(1, 20160952180), (2, 10080476090), (4, 5040238045), (5, 4032190436), (10, 2016095218), (20, 1008047609), (821, 24556580), (1642, 12278290), (3284, 6139145), (4105, 4911316), (8210, 2455658), (16420, 1227829)]