20506610

素因数分解:

$2^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2251}}^1$

素因数の和:3169

約数の個数: 16

約数和(自身を含む): 36968832

約数和(自身を除く): 16462222

約数列:

[1, 2, 5, 10, 911, 1822, 2251, 4502, 4555, 9110, 11255, 22510, 2050661, 4101322, 10253305, 20506610]

約数ペア:

[(1, 20506610), (2, 10253305), (5, 4101322), (10, 2050661), (911, 22510), (1822, 11255), (2251, 9110), (4502, 4555)]