20163580

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6037}}^1$

素因数の和:6213

約数の個数: 24

約数和(自身を含む): 42604128

約数和(自身を除く): 22440548

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 6037, 12074, 24148, 30185, 60370, 120740, 1008179, 2016358, 4032716, 5040895, 10081790, 20163580]

約数ペア:

[(1, 20163580), (2, 10081790), (4, 5040895), (5, 4032716), (10, 2016358), (20, 1008179), (167, 120740), (334, 60370), (668, 30185), (835, 24148), (1670, 12074), (3340, 6037)]