20013225

素因数分解:

$3^1\times 5^2\times {\mathrm{347}}^1\times {\mathrm{769}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 33227040

約数和(自身を除く): 13213815

約数列:

[1, 3, 5, 15, 25, 75, 347, 769, 1041, 1735, 2307, 3845, 5205, 8675, 11535, 19225, 26025, 57675, 266843, 800529, 1334215, 4002645, 6671075, 20013225]

約数ペア:

[(1, 20013225), (3, 6671075), (5, 4002645), (15, 1334215), (25, 800529), (75, 266843), (347, 57675), (769, 26025), (1041, 19225), (1735, 11535), (2307, 8675), (3845, 5205)]