20825710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109609}}^1$

素因数の和:109635

約数の個数: 16

約数和(自身を含む): 39459600

約数和(自身を除く): 18633890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 109609, 219218, 548045, 1096090, 2082571, 4165142, 10412855, 20825710]

約数ペア:

[(1, 20825710), (2, 10412855), (5, 4165142), (10, 2082571), (19, 1096090), (38, 548045), (95, 219218), (190, 109609)]