20164603940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{230137}}^1$

素因数の和:230496

約数の個数: 48

約数和(自身を含む): 45738546672

約数和(自身を除く): 25573942732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 674, 1348, 1685, 3370, 4381, 6740, 8762, 17524, 21905, 43810, 87620, 230137, 460274, 920548, 1150685, 2301370, 2991781, 4602740, 5983562, 11967124, 14958905, 29917810, 59835620, 77556169, 155112338, 310224676, 387780845, 775561690, 1008230197, 1551123380, 2016460394, 4032920788, 5041150985, 10082301970, 20164603940]

約数ペア:

[(1, 20164603940), (2, 10082301970), (4, 5041150985), (5, 4032920788), (10, 2016460394), (13, 1551123380), (20, 1008230197), (26, 775561690), (52, 387780845), (65, 310224676), (130, 155112338), (260, 77556169), (337, 59835620), (674, 29917810), (1348, 14958905), (1685, 11967124), (3370, 5983562), (4381, 4602740), (6740, 2991781), (8762, 2301370), (17524, 1150685), (21905, 920548), (43810, 460274), (87620, 230137)]