20807445170

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3978479}}^1$

素因数の和:3979009

約数の個数: 16

約数和(自身を含む): 37525023360

約数和(自身を除く): 16717578190

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 5230, 3978479, 7956958, 19892395, 39784790, 2080744517, 4161489034, 10403722585, 20807445170]

約数ペア:

[(1, 20807445170), (2, 10403722585), (5, 4161489034), (10, 2080744517), (523, 39784790), (1046, 19892395), (2615, 7956958), (5230, 3978479)]