20295693

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18637}}^1$

素因数の和:18665

約数の個数: 18

約数和(自身を含む): 32225102

約数和(自身を除く): 11929409

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18637, 55911, 167733, 205007, 615021, 1845063, 2255077, 6765231, 20295693]

約数ペア:

[(1, 20295693), (3, 6765231), (9, 2255077), (11, 1845063), (33, 615021), (99, 205007), (121, 167733), (363, 55911), (1089, 18637)]