20201940020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9806767}}^1$

素因数の和:9806879

約数の個数: 24

約数和(自身を含む): 42835962624

約数和(自身を除く): 22634022604

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9806767, 19613534, 39227068, 49033835, 98067670, 196135340, 1010097001, 2020194002, 4040388004, 5050485005, 10100970010, 20201940020]

約数ペア:

[(1, 20201940020), (2, 10100970010), (4, 5050485005), (5, 4040388004), (10, 2020194002), (20, 1010097001), (103, 196135340), (206, 98067670), (412, 49033835), (515, 39227068), (1030, 19613534), (2060, 9806767)]