20565660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342761}}^1$

素因数の和:342773

約数の個数: 24

約数和(自身を含む): 57584016

約数和(自身を除く): 37018356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342761, 685522, 1028283, 1371044, 1713805, 2056566, 3427610, 4113132, 5141415, 6855220, 10282830, 20565660]

約数ペア:

[(1, 20565660), (2, 10282830), (3, 6855220), (4, 5141415), (5, 4113132), (6, 3427610), (10, 2056566), (12, 1713805), (15, 1371044), (20, 1028283), (30, 685522), (60, 342761)]