20511711

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23021}}^1$

素因数の和:23044

約数の個数: 20

約数和(自身を含む): 33427944

約数和(自身を除く): 12916233

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23021, 69063, 207189, 253231, 621567, 759693, 1864701, 2279079, 6837237, 20511711]

約数ペア:

[(1, 20511711), (3, 6837237), (9, 2279079), (11, 1864701), (27, 759693), (33, 621567), (81, 253231), (99, 207189), (297, 69063), (891, 23021)]