20372427

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1093}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 31288400

約数和(自身を除く): 10915973

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 1093, 2071, 3279, 6213, 9837, 18639, 20767, 62301, 119137, 186903, 357411, 1072233, 2263603, 6790809, 20372427]

約数ペア:

[(1, 20372427), (3, 6790809), (9, 2263603), (19, 1072233), (57, 357411), (109, 186903), (171, 119137), (327, 62301), (981, 20767), (1093, 18639), (2071, 9837), (3279, 6213)]