20170520900

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1958303}}^1$

素因数の和:1958420

約数の個数: 36

約数和(自身を含む): 44195004672

約数和(自身を除く): 24024483772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 10300, 1958303, 3916606, 7833212, 9791515, 19583030, 39166060, 48957575, 97915150, 195830300, 201705209, 403410418, 806820836, 1008526045, 2017052090, 4034104180, 5042630225, 10085260450, 20170520900]

約数ペア:

[(1, 20170520900), (2, 10085260450), (4, 5042630225), (5, 4034104180), (10, 2017052090), (20, 1008526045), (25, 806820836), (50, 403410418), (100, 201705209), (103, 195830300), (206, 97915150), (412, 48957575), (515, 39166060), (1030, 19583030), (2060, 9791515), (2575, 7833212), (5150, 3916606), (10300, 1958303)]