20546225

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1039}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 29402880

約数和(自身を除く): 8856655

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 1039, 2825, 3955, 5195, 7273, 19775, 25975, 36365, 117407, 181825, 587035, 821849, 2935175, 4109245, 20546225]

約数ペア:

[(1, 20546225), (5, 4109245), (7, 2935175), (25, 821849), (35, 587035), (113, 181825), (175, 117407), (565, 36365), (791, 25975), (1039, 19775), (2825, 7273), (3955, 5195)]