20404826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2371}}^1$

素因数の和:2717

約数の個数: 16

約数和(自身を含む): 33075168

約数和(自身を除く): 12670342

約数列:

[1, 2, 13, 26, 331, 662, 2371, 4303, 4742, 8606, 30823, 61646, 784801, 1569602, 10202413, 20404826]

約数ペア:

[(1, 20404826), (2, 10202413), (13, 1569602), (26, 784801), (331, 61646), (662, 30823), (2371, 8606), (4303, 4742)]