20123080

素因数分解:

$2^3\times 5^1\times {\mathrm{503077}}^1$

素因数の和:503088

約数の個数: 16

約数和(自身を含む): 45277020

約数和(自身を除く): 25153940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503077, 1006154, 2012308, 2515385, 4024616, 5030770, 10061540, 20123080]

約数ペア:

[(1, 20123080), (2, 10061540), (4, 5030770), (5, 4024616), (8, 2515385), (10, 2012308), (20, 1006154), (40, 503077)]