20843511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{811}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 30011520

約数和(自身を除く): 9168009

約数列:

[1, 3, 13, 39, 659, 811, 1977, 2433, 8567, 10543, 25701, 31629, 534449, 1603347, 6947837, 20843511]

約数ペア:

[(1, 20843511), (3, 6947837), (13, 1603347), (39, 534449), (659, 31629), (811, 25701), (1977, 10543), (2433, 8567)]