20533575

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6367}}^1$

素因数の和:6423

約数の個数: 24

約数和(自身を含む): 34743808

約数和(自身を除く): 14210233

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6367, 19101, 31835, 95505, 159175, 273781, 477525, 821343, 1368905, 4106715, 6844525, 20533575]

約数ペア:

[(1, 20533575), (3, 6844525), (5, 4106715), (15, 1368905), (25, 821343), (43, 477525), (75, 273781), (129, 159175), (215, 95505), (645, 31835), (1075, 19101), (3225, 6367)]