20512483990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{865871}}^1$

素因数の和:866004

約数の個数: 32

約数和(自身を含む): 38901897216

約数和(自身を除く): 18389413226

約数列:

[1, 2, 5, 10, 23, 46, 103, 115, 206, 230, 515, 1030, 2369, 4738, 11845, 23690, 865871, 1731742, 4329355, 8658710, 19915033, 39830066, 89184713, 99575165, 178369426, 199150330, 445923565, 891847130, 2051248399, 4102496798, 10256241995, 20512483990]

約数ペア:

[(1, 20512483990), (2, 10256241995), (5, 4102496798), (10, 2051248399), (23, 891847130), (46, 445923565), (103, 199150330), (115, 178369426), (206, 99575165), (230, 89184713), (515, 39830066), (1030, 19915033), (2369, 8658710), (4738, 4329355), (11845, 1731742), (23690, 865871)]