20958543

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 31928832

約数和(自身を除く): 10970289

約数列:

[1, 3, 9, 23, 69, 103, 207, 309, 927, 983, 2369, 2949, 7107, 8847, 21321, 22609, 67827, 101249, 203481, 303747, 911241, 2328727, 6986181, 20958543]

約数ペア:

[(1, 20958543), (3, 6986181), (9, 2328727), (23, 911241), (69, 303747), (103, 203481), (207, 101249), (309, 67827), (927, 22609), (983, 21321), (2369, 8847), (2949, 7107)]