20187124

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 36373568

約数和(自身を除く): 16186444

約数列:

[1, 2, 4, 43, 86, 172, 241, 482, 487, 964, 974, 1948, 10363, 20726, 20941, 41452, 41882, 83764, 117367, 234734, 469468, 5046781, 10093562, 20187124]

約数ペア:

[(1, 20187124), (2, 10093562), (4, 5046781), (43, 469468), (86, 234734), (172, 117367), (241, 83764), (482, 41882), (487, 41452), (964, 20941), (974, 20726), (1948, 10363)]