20442175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2029}}^1$

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 28192640

約数和(自身を除く): 7750465

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 2029, 10075, 10145, 26377, 50725, 62899, 131885, 314495, 659425, 817687, 1572475, 4088435, 20442175]

約数ペア:

[(1, 20442175), (5, 4088435), (13, 1572475), (25, 817687), (31, 659425), (65, 314495), (155, 131885), (325, 62899), (403, 50725), (775, 26377), (2015, 10145), (2029, 10075)]