20405468162

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1\times {\mathrm{61493}}^1$

素因数の和:63577

約数の個数: 16

約数和(自身を含む): 30992976000

約数和(自身を除く): 10587507838

約数列:

[1, 2, 83, 166, 1999, 3998, 61493, 122986, 165917, 331834, 5103919, 10207838, 122924507, 245849014, 10202734081, 20405468162]

約数ペア:

[(1, 20405468162), (2, 10202734081), (83, 245849014), (166, 122924507), (1999, 10207838), (3998, 5103919), (61493, 331834), (122986, 165917)]