20243275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 27255200

約数和(自身を除く): 7011925

約数列:

[1, 5, 13, 25, 65, 199, 313, 325, 995, 1565, 2587, 4069, 4975, 7825, 12935, 20345, 62287, 64675, 101725, 311435, 809731, 1557175, 4048655, 20243275]

約数ペア:

[(1, 20243275), (5, 4048655), (13, 1557175), (25, 809731), (65, 311435), (199, 101725), (313, 64675), (325, 62287), (995, 20345), (1565, 12935), (2587, 7825), (4069, 4975)]