20451664

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2797}}^1$

素因数の和:3262

約数の個数: 20

約数和(自身を含む): 39726004

約数和(自身を除く): 19274340

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2797, 3656, 5594, 7312, 11188, 22376, 44752, 1278229, 2556458, 5112916, 10225832, 20451664]

約数ペア:

[(1, 20451664), (2, 10225832), (4, 5112916), (8, 2556458), (16, 1278229), (457, 44752), (914, 22376), (1828, 11188), (2797, 7312), (3656, 5594)]