20353263

素因数分解:

$3^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1367}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 31080960

約数和(自身を除く): 10727697

約数列:

[1, 3, 7, 21, 709, 1367, 2127, 4101, 4963, 9569, 14889, 28707, 969203, 2907609, 6784421, 20353263]

約数ペア:

[(1, 20353263), (3, 6784421), (7, 2907609), (21, 969203), (709, 28707), (1367, 14889), (2127, 9569), (4101, 4963)]