20857518

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{105341}}^1$

素因数の和:105360

約数の個数: 24

約数和(自身を含む): 49300056

約数和(自身を除く): 28442538

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 105341, 210682, 316023, 632046, 948069, 1158751, 1896138, 2317502, 3476253, 6952506, 10428759, 20857518]

約数ペア:

[(1, 20857518), (2, 10428759), (3, 6952506), (6, 3476253), (9, 2317502), (11, 1896138), (18, 1158751), (22, 948069), (33, 632046), (66, 316023), (99, 210682), (198, 105341)]