20884490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189859}}^1$

素因数の和:189877

約数の個数: 16

約数和(自身を含む): 41009760

約数和(自身を除く): 20125270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189859, 379718, 949295, 1898590, 2088449, 4176898, 10442245, 20884490]

約数ペア:

[(1, 20884490), (2, 10442245), (5, 4176898), (10, 2088449), (11, 1898590), (22, 949295), (55, 379718), (110, 189859)]