20620535

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 27985824

約数和(自身を除く): 7365289

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1061, 1495, 3887, 5305, 13793, 19435, 24403, 68965, 122015, 179309, 317239, 896545, 1586195, 4124107, 20620535]

約数ペア:

[(1, 20620535), (5, 4124107), (13, 1586195), (23, 896545), (65, 317239), (115, 179309), (169, 122015), (299, 68965), (845, 24403), (1061, 19435), (1495, 13793), (3887, 5305)]