20488814

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2837}}^1$

素因数の和:3019

約数の個数: 16

約数和(自身を含む): 32285088

約数和(自身を除く): 11796274

約数列:

[1, 2, 23, 46, 157, 314, 2837, 3611, 5674, 7222, 65251, 130502, 445409, 890818, 10244407, 20488814]

約数ペア:

[(1, 20488814), (2, 10244407), (23, 890818), (46, 445409), (157, 130502), (314, 65251), (2837, 7222), (3611, 5674)]