20206375

素因数分解:

$5^3\times 7^2\times {\mathrm{3299}}^1$

素因数の和:3328

約数の個数: 24

約数和(自身を含む): 29343600

約数和(自身を除く): 9137225

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 875, 1225, 3299, 6125, 16495, 23093, 82475, 115465, 161651, 412375, 577325, 808255, 2886625, 4041275, 20206375]

約数ペア:

[(1, 20206375), (5, 4041275), (7, 2886625), (25, 808255), (35, 577325), (49, 412375), (125, 161651), (175, 115465), (245, 82475), (875, 23093), (1225, 16495), (3299, 6125)]