20194580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144247}}^1$

素因数の和:144263

約数の個数: 24

約数和(自身を含む): 48467328

約数和(自身を除く): 28272748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144247, 288494, 576988, 721235, 1009729, 1442470, 2019458, 2884940, 4038916, 5048645, 10097290, 20194580]

約数ペア:

[(1, 20194580), (2, 10097290), (4, 5048645), (5, 4038916), (7, 2884940), (10, 2019458), (14, 1442470), (20, 1009729), (28, 721235), (35, 576988), (70, 288494), (140, 144247)]