20401828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2153}}^1$

素因数の和:2283

約数の個数: 24

約数和(自身を含む): 37634688

約数和(自身を除く): 17232860

約数列:

[1, 2, 4, 23, 46, 92, 103, 206, 412, 2153, 2369, 4306, 4738, 8612, 9476, 49519, 99038, 198076, 221759, 443518, 887036, 5100457, 10200914, 20401828]

約数ペア:

[(1, 20401828), (2, 10200914), (4, 5100457), (23, 887036), (46, 443518), (92, 221759), (103, 198076), (206, 99038), (412, 49519), (2153, 9476), (2369, 8612), (4306, 4738)]