20645799

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3323}}^1$

素因数の和:3454

約数の個数: 16

約数和(自身を含む): 29251200

約数和(自身を除く): 8605401

約数列:

[1, 3, 19, 57, 109, 327, 2071, 3323, 6213, 9969, 63137, 189411, 362207, 1086621, 6881933, 20645799]

約数ペア:

[(1, 20645799), (3, 6881933), (19, 1086621), (57, 362207), (109, 189411), (327, 63137), (2071, 9969), (3323, 6213)]