20854880943

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1\times {\mathrm{346559}}^1$

素因数の和:348118

約数の個数: 16

約数和(自身を含む): 29964963840

約数和(自身を除く): 9110082897

約数列:

[1, 3, 13, 39, 1543, 4629, 20059, 60177, 346559, 1039677, 4505267, 13515801, 534740537, 1604221611, 6951626981, 20854880943]

約数ペア:

[(1, 20854880943), (3, 6951626981), (13, 1604221611), (39, 534740537), (1543, 13515801), (4629, 4505267), (20059, 1039677), (60177, 346559)]