20170708990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19970999}}^1$

素因数の和:19971107

約数の個数: 16

約数和(自身を含む): 36666756000

約数和(自身を除く): 16496047010

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19970999, 39941998, 99854995, 199709990, 2017070899, 4034141798, 10085354495, 20170708990]

約数ペア:

[(1, 20170708990), (2, 10085354495), (5, 4034141798), (10, 2017070899), (101, 199709990), (202, 99854995), (505, 39941998), (1010, 19970999)]