20366650

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 39651480

約数和(自身を除く): 19284830

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 101, 109, 185, 202, 218, 370, 505, 545, 925, 1010, 1090, 1850, 2525, 2725, 3737, 4033, 5050, 5450, 7474, 8066, 11009, 18685, 20165, 22018, 37370, 40330, 55045, 93425, 100825, 110090, 186850, 201650, 275225, 407333, 550450, 814666, 2036665, 4073330, 10183325, 20366650]

約数ペア:

[(1, 20366650), (2, 10183325), (5, 4073330), (10, 2036665), (25, 814666), (37, 550450), (50, 407333), (74, 275225), (101, 201650), (109, 186850), (185, 110090), (202, 100825), (218, 93425), (370, 55045), (505, 40330), (545, 37370), (925, 22018), (1010, 20165), (1090, 18685), (1850, 11009), (2525, 8066), (2725, 7474), (3737, 5450), (4033, 5050)]