20609340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{343489}}^1$

素因数の和:343501

約数の個数: 24

約数和(自身を含む): 57706320

約数和(自身を除く): 37096980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 343489, 686978, 1030467, 1373956, 1717445, 2060934, 3434890, 4121868, 5152335, 6869780, 10304670, 20609340]

約数ペア:

[(1, 20609340), (2, 10304670), (3, 6869780), (4, 5152335), (5, 4121868), (6, 3434890), (10, 2060934), (12, 1717445), (15, 1373956), (20, 1030467), (30, 686978), (60, 343489)]