20743860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345731}}^1$

素因数の和:345743

約数の個数: 24

約数和(自身を含む): 58082976

約数和(自身を除く): 37339116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345731, 691462, 1037193, 1382924, 1728655, 2074386, 3457310, 4148772, 5185965, 6914620, 10371930, 20743860]

約数ペア:

[(1, 20743860), (2, 10371930), (3, 6914620), (4, 5185965), (5, 4148772), (6, 3457310), (10, 2074386), (12, 1728655), (15, 1382924), (20, 1037193), (30, 691462), (60, 345731)]