20504771

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4657}}^1$

素因数の和:4718

約数の個数: 16

約数和(自身を含む): 25488576

約数和(自身を除く): 4983805

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 4657, 32599, 79169, 172309, 554183, 1206163, 2929253, 20504771]

約数ペア:

[(1, 20504771), (7, 2929253), (17, 1206163), (37, 554183), (119, 172309), (259, 79169), (629, 32599), (4403, 4657)]