20738820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345647}}^1$

素因数の和:345659

約数の個数: 24

約数和(自身を含む): 58068864

約数和(自身を除く): 37330044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345647, 691294, 1036941, 1382588, 1728235, 2073882, 3456470, 4147764, 5184705, 6912940, 10369410, 20738820]

約数ペア:

[(1, 20738820), (2, 10369410), (3, 6912940), (4, 5184705), (5, 4147764), (6, 3456470), (10, 2073882), (12, 1728235), (15, 1382588), (20, 1036941), (30, 691294), (60, 345647)]