20272940

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6803}}^1$

素因数の和:6961

約数の個数: 24

約数和(自身を含む): 42865200

約数和(自身を除く): 22592260

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6803, 13606, 27212, 34015, 68030, 136060, 1013647, 2027294, 4054588, 5068235, 10136470, 20272940]

約数ペア:

[(1, 20272940), (2, 10136470), (4, 5068235), (5, 4054588), (10, 2027294), (20, 1013647), (149, 136060), (298, 68030), (596, 34015), (745, 27212), (1490, 13606), (2980, 6803)]