20205020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91841}}^1$

素因数の和:91861

約数の個数: 24

約数和(自身を含む): 46288368

約数和(自身を除く): 26083348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91841, 183682, 367364, 459205, 918410, 1010251, 1836820, 2020502, 4041004, 5051255, 10102510, 20205020]

約数ペア:

[(1, 20205020), (2, 10102510), (4, 5051255), (5, 4041004), (10, 2020502), (11, 1836820), (20, 1010251), (22, 918410), (44, 459205), (55, 367364), (110, 183682), (220, 91841)]