20796657

素因数分解:

$3^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1759}}^1$

素因数の和:2332

約数の個数: 16

約数和(自身を含む): 31764480

約数和(自身を除く): 10967823

約数列:

[1, 3, 7, 21, 563, 1689, 1759, 3941, 5277, 11823, 12313, 36939, 990317, 2970951, 6932219, 20796657]

約数ペア:

[(1, 20796657), (3, 6932219), (7, 2970951), (21, 990317), (563, 36939), (1689, 12313), (1759, 11823), (3941, 5277)]