20003962

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:786

約数の個数: 24

約数和(自身を含む): 33286176

約数和(自身を除く): 13282214

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 631, 1262, 1441, 2882, 6941, 13882, 15851, 31702, 76351, 82661, 152702, 165322, 909271, 1818542, 10001981, 20003962]

約数ペア:

[(1, 20003962), (2, 10001981), (11, 1818542), (22, 909271), (121, 165322), (131, 152702), (242, 82661), (262, 76351), (631, 31702), (1262, 15851), (1441, 13882), (2882, 6941)]