20903311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1151}}^1$

素因数の和:1302

約数の個数: 16

約数和(自身を含む): 24772608

約数和(自身を除く): 3869297

約数列:

[1, 11, 13, 127, 143, 1151, 1397, 1651, 12661, 14963, 18161, 146177, 164593, 1607947, 1900301, 20903311]

約数ペア:

[(1, 20903311), (11, 1900301), (13, 1607947), (127, 164593), (143, 146177), (1151, 18161), (1397, 14963), (1651, 12661)]