20893774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8713}}^1$

素因数の和:8835

約数の個数: 16

約数和(自身を含む): 34507440

約数和(自身を除く): 13613666

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8713, 17426, 95843, 191686, 949717, 1899434, 10446887, 20893774]

約数ペア:

[(1, 20893774), (2, 10446887), (11, 1899434), (22, 949717), (109, 191686), (218, 95843), (1199, 17426), (2398, 8713)]