20354820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339247}}^1$

素因数の和:339259

約数の個数: 24

約数和(自身を含む): 56993664

約数和(自身を除く): 36638844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339247, 678494, 1017741, 1356988, 1696235, 2035482, 3392470, 4070964, 5088705, 6784940, 10177410, 20354820]

約数ペア:

[(1, 20354820), (2, 10177410), (3, 6784940), (4, 5088705), (5, 4070964), (6, 3392470), (10, 2035482), (12, 1696235), (15, 1356988), (20, 1017741), (30, 678494), (60, 339247)]