66612020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{17257}}^1$

素因数の和:17459

約数の個数: 24

約数和(自身を含む): 140618184

約数和(自身を除く): 74006164

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 17257, 34514, 69028, 86285, 172570, 345140, 3330601, 6661202, 13322404, 16653005, 33306010, 66612020]

約数ペア:

[(1, 66612020), (2, 33306010), (4, 16653005), (5, 13322404), (10, 6661202), (20, 3330601), (193, 345140), (386, 172570), (772, 86285), (965, 69028), (1930, 34514), (3860, 17257)]