2020600975

素因数分解:

$5^2\times {\mathrm{163}}^1\times {\mathrm{397}}^1\times {\mathrm{1249}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 2529290000

約数和(自身を除く): 508689025

約数列:

[1, 5, 25, 163, 397, 815, 1249, 1985, 4075, 6245, 9925, 31225, 64711, 203587, 323555, 495853, 1017935, 1617775, 2479265, 5089675, 12396325, 80824039, 404120195, 2020600975]

約数ペア:

[(1, 2020600975), (5, 404120195), (25, 80824039), (163, 12396325), (397, 5089675), (815, 2479265), (1249, 1617775), (1985, 1017935), (4075, 495853), (6245, 323555), (9925, 203587), (31225, 64711)]