20970138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71327}}^1$

素因数の和:71346

約数の個数: 24

約数和(自身を含む): 48788352

約数和(自身を除く): 27818214

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71327, 142654, 213981, 427962, 499289, 998578, 1497867, 2995734, 3495023, 6990046, 10485069, 20970138]

約数ペア:

[(1, 20970138), (2, 10485069), (3, 6990046), (6, 3495023), (7, 2995734), (14, 1497867), (21, 998578), (42, 499289), (49, 427962), (98, 213981), (147, 142654), (294, 71327)]