20009180

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5783}}^1$

素因数の和:5965

約数の個数: 24

約数和(自身を含む): 42269472

約数和(自身を除く): 22260292

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5783, 11566, 23132, 28915, 57830, 115660, 1000459, 2000918, 4001836, 5002295, 10004590, 20009180]

約数ペア:

[(1, 20009180), (2, 10004590), (4, 5002295), (5, 4001836), (10, 2000918), (20, 1000459), (173, 115660), (346, 57830), (692, 28915), (865, 23132), (1730, 11566), (3460, 5783)]