20145857545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{107827}}^1$

素因数の和:107965

約数の個数: 32

約数和(自身を含む): 27327928320

約数和(自身を除く): 7182070775

約数列:

[1, 5, 11, 43, 55, 79, 215, 395, 473, 869, 2365, 3397, 4345, 16985, 37367, 107827, 186835, 539135, 1186097, 4636561, 5930485, 8518333, 23182805, 42591665, 51002171, 93701663, 255010855, 366288319, 468508315, 1831441595, 4029171509, 20145857545]

約数ペア:

[(1, 20145857545), (5, 4029171509), (11, 1831441595), (43, 468508315), (55, 366288319), (79, 255010855), (215, 93701663), (395, 51002171), (473, 42591665), (869, 23182805), (2365, 8518333), (3397, 5930485), (4345, 4636561), (16985, 1186097), (37367, 539135), (107827, 186835)]