20651340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344189}}^1$

素因数の和:344201

約数の個数: 24

約数和(自身を含む): 57823920

約数和(自身を除く): 37172580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344189, 688378, 1032567, 1376756, 1720945, 2065134, 3441890, 4130268, 5162835, 6883780, 10325670, 20651340]

約数ペア:

[(1, 20651340), (2, 10325670), (3, 6883780), (4, 5162835), (5, 4130268), (6, 3441890), (10, 2065134), (12, 1720945), (15, 1376756), (20, 1032567), (30, 688378), (60, 344189)]