20254460

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2417}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 42653520

約数和(自身を除く): 22399060

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 2417, 4190, 4834, 8380, 9668, 12085, 24170, 48340, 1012723, 2025446, 4050892, 5063615, 10127230, 20254460]

約数ペア:

[(1, 20254460), (2, 10127230), (4, 5063615), (5, 4050892), (10, 2025446), (20, 1012723), (419, 48340), (838, 24170), (1676, 12085), (2095, 9668), (2417, 8380), (4190, 4834)]