20008250667

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{65423}}^1$

素因数の和:65720

約数の個数: 32

約数和(自身を含む): 30398607360

約数和(自身を除く): 10390356693

約数列:

[1, 3, 9, 27, 47, 141, 241, 423, 723, 1269, 2169, 6507, 11327, 33981, 65423, 101943, 196269, 305829, 588807, 1766421, 3074881, 9224643, 15766943, 27673929, 47300829, 83021787, 141902487, 425707461, 741046321, 2223138963, 6669416889, 20008250667]

約数ペア:

[(1, 20008250667), (3, 6669416889), (9, 2223138963), (27, 741046321), (47, 425707461), (141, 141902487), (241, 83021787), (423, 47300829), (723, 27673929), (1269, 15766943), (2169, 9224643), (6507, 3074881), (11327, 1766421), (33981, 588807), (65423, 305829), (101943, 196269)]