1815660020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3947087}}^1$

素因数の和:3947119

約数の個数: 24

約数和(自身を含む): 3978664704

約数和(自身を除く): 2163004684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 3947087, 7894174, 15788348, 19735435, 39470870, 78941740, 90783001, 181566002, 363132004, 453915005, 907830010, 1815660020]

約数ペア:

[(1, 1815660020), (2, 907830010), (4, 453915005), (5, 363132004), (10, 181566002), (20, 90783001), (23, 78941740), (46, 39470870), (92, 19735435), (115, 15788348), (230, 7894174), (460, 3947087)]