20907550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14419}}^1$

素因数の和:14460

約数の個数: 24

約数和(自身を含む): 40231800

約数和(自身を除く): 19324250

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14419, 28838, 72095, 144190, 360475, 418151, 720950, 836302, 2090755, 4181510, 10453775, 20907550]

約数ペア:

[(1, 20907550), (2, 10453775), (5, 4181510), (10, 2090755), (25, 836302), (29, 720950), (50, 418151), (58, 360475), (145, 144190), (290, 72095), (725, 28838), (1450, 14419)]