20701705

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1319}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 25787520

約数和(自身を除く): 5085815

約数列:

[1, 5, 43, 73, 215, 365, 1319, 3139, 6595, 15695, 56717, 96287, 283585, 481435, 4140341, 20701705]

約数ペア:

[(1, 20701705), (5, 4140341), (43, 481435), (73, 283585), (215, 96287), (365, 56717), (1319, 15695), (3139, 6595)]