19947660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332461}}^1$

素因数の和:332473

約数の個数: 24

約数和(自身を含む): 55853616

約数和(自身を除く): 35905956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332461, 664922, 997383, 1329844, 1662305, 1994766, 3324610, 3989532, 4986915, 6649220, 9973830, 19947660]

約数ペア:

[(1, 19947660), (2, 9973830), (3, 6649220), (4, 4986915), (5, 3989532), (6, 3324610), (10, 1994766), (12, 1662305), (15, 1329844), (20, 997383), (30, 664922), (60, 332461)]