20418038

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2713}}^1$

素因数の和:2839

約数の個数: 16

約数和(自身を含む): 31656096

約数和(自身を除く): 11238058

約数列:

[1, 2, 53, 71, 106, 142, 2713, 3763, 5426, 7526, 143789, 192623, 287578, 385246, 10209019, 20418038]

約数ペア:

[(1, 20418038), (2, 10209019), (53, 385246), (71, 287578), (106, 192623), (142, 143789), (2713, 7526), (3763, 5426)]