2020145180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1\times {\mathrm{1327}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 4292520960

約数和(自身を除く): 2272375780

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 739, 1030, 1327, 1478, 2060, 2654, 2956, 3695, 5308, 6635, 7390, 13270, 14780, 26540, 76117, 136681, 152234, 273362, 304468, 380585, 546724, 683405, 761170, 980653, 1366810, 1522340, 1961306, 2733620, 3922612, 4903265, 9806530, 19613060, 101007259, 202014518, 404029036, 505036295, 1010072590, 2020145180]

約数ペア:

[(1, 2020145180), (2, 1010072590), (4, 505036295), (5, 404029036), (10, 202014518), (20, 101007259), (103, 19613060), (206, 9806530), (412, 4903265), (515, 3922612), (739, 2733620), (1030, 1961306), (1327, 1522340), (1478, 1366810), (2060, 980653), (2654, 761170), (2956, 683405), (3695, 546724), (5308, 380585), (6635, 304468), (7390, 273362), (13270, 152234), (14780, 136681), (26540, 76117)]