20216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2$

素因数の和:51

約数の個数: 24

約数和(自身を含む): 45720

約数和(自身を除く): 25504

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 1064, 1444, 2527, 2888, 5054, 10108, 20216]

約数ペア:

[(1, 20216), (2, 10108), (4, 5054), (7, 2888), (8, 2527), (14, 1444), (19, 1064), (28, 722), (38, 532), (56, 361), (76, 266), (133, 152)]