20322189

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 10004211

約数列:

[1, 3, 9, 47, 107, 141, 321, 423, 449, 963, 1347, 4041, 5029, 15087, 21103, 45261, 48043, 63309, 144129, 189927, 432387, 2258021, 6774063, 20322189]

約数ペア:

[(1, 20322189), (3, 6774063), (9, 2258021), (47, 432387), (107, 189927), (141, 144129), (321, 63309), (423, 48043), (449, 45261), (963, 21103), (1347, 15087), (4041, 5029)]