20678182

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 24

約数和(自身を含む): 36077328

約数和(自身を除く): 15399146

約数列:

[1, 2, 7, 14, 71, 142, 293, 497, 586, 994, 2051, 4102, 5041, 10082, 20803, 35287, 41606, 70574, 145621, 291242, 1477013, 2954026, 10339091, 20678182]

約数ペア:

[(1, 20678182), (2, 10339091), (7, 2954026), (14, 1477013), (71, 291242), (142, 145621), (293, 70574), (497, 41606), (586, 35287), (994, 20803), (2051, 10082), (4102, 5041)]