20265849

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{18307}}^1$

素因数の和:18357

約数の個数: 16

約数和(自身を含む): 30757440

約数和(自身を除く): 10491591

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 18307, 54921, 164763, 494289, 750587, 2251761, 6755283, 20265849]

約数ペア:

[(1, 20265849), (3, 6755283), (9, 2251761), (27, 750587), (41, 494289), (123, 164763), (369, 54921), (1107, 18307)]