20156060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12757}}^1$

素因数の和:12845

約数の個数: 24

約数和(自身を含む): 42866880

約数和(自身を除く): 22710820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12757, 25514, 51028, 63785, 127570, 255140, 1007803, 2015606, 4031212, 5039015, 10078030, 20156060]

約数ペア:

[(1, 20156060), (2, 10078030), (4, 5039015), (5, 4031212), (10, 2015606), (20, 1007803), (79, 255140), (158, 127570), (316, 63785), (395, 51028), (790, 25514), (1580, 12757)]