20202850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13933}}^1$

素因数の和:13974

約数の個数: 24

約数和(自身を含む): 38875860

約数和(自身を除く): 18673010

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13933, 27866, 69665, 139330, 348325, 404057, 696650, 808114, 2020285, 4040570, 10101425, 20202850]

約数ペア:

[(1, 20202850), (2, 10101425), (5, 4040570), (10, 2020285), (25, 808114), (29, 696650), (50, 404057), (58, 348325), (145, 139330), (290, 69665), (725, 27866), (1450, 13933)]