20567691

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 30728880

約数和(自身を除く): 10161189

約数列:

[1, 3, 9, 41, 123, 139, 369, 401, 417, 1203, 1251, 3609, 5699, 16441, 17097, 49323, 51291, 55739, 147969, 167217, 501651, 2285299, 6855897, 20567691]

約数ペア:

[(1, 20567691), (3, 6855897), (9, 2285299), (41, 501651), (123, 167217), (139, 147969), (369, 55739), (401, 51291), (417, 49323), (1203, 17097), (1251, 16441), (3609, 5699)]