20625180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{907}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 57966720

約数和(自身を除く): 37341540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 907, 1137, 1516, 1814, 1895, 2274, 2721, 3628, 3790, 4535, 4548, 5442, 5685, 7580, 9070, 10884, 11370, 13605, 18140, 22740, 27210, 54420, 343753, 687506, 1031259, 1375012, 1718765, 2062518, 3437530, 4125036, 5156295, 6875060, 10312590, 20625180]

約数ペア:

[(1, 20625180), (2, 10312590), (3, 6875060), (4, 5156295), (5, 4125036), (6, 3437530), (10, 2062518), (12, 1718765), (15, 1375012), (20, 1031259), (30, 687506), (60, 343753), (379, 54420), (758, 27210), (907, 22740), (1137, 18140), (1516, 13605), (1814, 11370), (1895, 10884), (2274, 9070), (2721, 7580), (3628, 5685), (3790, 5442), (4535, 4548)]