20052640

素因数分解:

$2^5\times 5^1\times {\mathrm{125329}}^1$

素因数の和:125344

約数の個数: 24

約数和(自身を含む): 47374740

約数和(自身を除く): 27322100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125329, 250658, 501316, 626645, 1002632, 1253290, 2005264, 2506580, 4010528, 5013160, 10026320, 20052640]

約数ペア:

[(1, 20052640), (2, 10026320), (4, 5013160), (5, 4010528), (8, 2506580), (10, 2005264), (16, 1253290), (20, 1002632), (32, 626645), (40, 501316), (80, 250658), (160, 125329)]