20843469

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 31531032

約数和(自身を除く): 10687563

約数列:

[1, 3, 9, 37, 53, 111, 159, 333, 477, 1181, 1961, 3543, 5883, 10629, 17649, 43697, 62593, 131091, 187779, 393273, 563337, 2315941, 6947823, 20843469]

約数ペア:

[(1, 20843469), (3, 6947823), (9, 2315941), (37, 563337), (53, 393273), (111, 187779), (159, 131091), (333, 62593), (477, 43697), (1181, 17649), (1961, 10629), (3543, 5883)]