20396060

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9901}}^1$

素因数の和:10013

約数の個数: 24

約数和(自身を含む): 43251936

約数和(自身を除く): 22855876

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9901, 19802, 39604, 49505, 99010, 198020, 1019803, 2039606, 4079212, 5099015, 10198030, 20396060]

約数ペア:

[(1, 20396060), (2, 10198030), (4, 5099015), (5, 4079212), (10, 2039606), (20, 1019803), (103, 198020), (206, 99010), (412, 49505), (515, 39604), (1030, 19802), (2060, 9901)]