20255378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70823}}^1$

素因数の和:70849

約数の個数: 16

約数和(自身を含む): 35695296

約数和(自身を除く): 15439918

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70823, 141646, 779053, 920699, 1558106, 1841398, 10127689, 20255378]

約数ペア:

[(1, 20255378), (2, 10127689), (11, 1841398), (13, 1558106), (22, 920699), (26, 779053), (143, 141646), (286, 70823)]