20712406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72421}}^1$

素因数の和:72447

約数の個数: 16

約数和(自身を含む): 36500688

約数和(自身を除く): 15788282

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72421, 144842, 796631, 941473, 1593262, 1882946, 10356203, 20712406]

約数ペア:

[(1, 20712406), (2, 10356203), (11, 1882946), (13, 1593262), (22, 941473), (26, 796631), (143, 144842), (286, 72421)]