20511780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{341863}}^1$

素因数の和:341875

約数の個数: 24

約数和(自身を含む): 57433152

約数和(自身を除く): 36921372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 341863, 683726, 1025589, 1367452, 1709315, 2051178, 3418630, 4102356, 5127945, 6837260, 10255890, 20511780]

約数ペア:

[(1, 20511780), (2, 10255890), (3, 6837260), (4, 5127945), (5, 4102356), (6, 3418630), (10, 2051178), (12, 1709315), (15, 1367452), (20, 1025589), (30, 683726), (60, 341863)]