20487962

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2786

約数の個数: 24

約数和(自身を含む): 34882176

約数和(自身を除く): 14394214

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 2731, 3751, 5462, 7502, 30041, 60082, 84661, 169322, 330451, 660902, 931271, 1862542, 10243981, 20487962]

約数ペア:

[(1, 20487962), (2, 10243981), (11, 1862542), (22, 931271), (31, 660902), (62, 330451), (121, 169322), (242, 84661), (341, 60082), (682, 30041), (2731, 7502), (3751, 5462)]