20931444

素因数分解:

$2^2\times 3^2\times {\mathrm{581429}}^1$

素因数の和:581439

約数の個数: 18

約数和(自身を含む): 52910130

約数和(自身を除く): 31978686

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 581429, 1162858, 1744287, 2325716, 3488574, 5232861, 6977148, 10465722, 20931444]

約数ペア:

[(1, 20931444), (2, 10465722), (3, 6977148), (4, 5232861), (6, 3488574), (9, 2325716), (12, 1744287), (18, 1162858), (36, 581429)]