20856699

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5303}}^1$

素因数の和:5351

約数の個数: 24

約数和(自身を含む): 33096960

約数和(自身を除く): 12240261

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5303, 15909, 47727, 100757, 121969, 302271, 365907, 906813, 1097721, 2317411, 6952233, 20856699]

約数ペア:

[(1, 20856699), (3, 6952233), (9, 2317411), (19, 1097721), (23, 906813), (57, 365907), (69, 302271), (171, 121969), (207, 100757), (437, 47727), (1311, 15909), (3933, 5303)]