20244595

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4349}}^1$

素因数の和:4387

約数の個数: 24

約数和(自身を含む): 29754000

約数和(自身を除く): 9509405

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4349, 4655, 21745, 30443, 82631, 152215, 213101, 413155, 578417, 1065505, 2892085, 4048919, 20244595]

約数ペア:

[(1, 20244595), (5, 4048919), (7, 2892085), (19, 1065505), (35, 578417), (49, 413155), (95, 213101), (133, 152215), (245, 82631), (665, 30443), (931, 21745), (4349, 4655)]