2036980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 4790016

約数和(自身を除く): 2753036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 197, 220, 235, 394, 470, 517, 788, 940, 985, 1034, 1970, 2068, 2167, 2585, 3940, 4334, 5170, 8668, 9259, 10340, 10835, 18518, 21670, 37036, 43340, 46295, 92590, 101849, 185180, 203698, 407396, 509245, 1018490, 2036980]

約数ペア:

[(1, 2036980), (2, 1018490), (4, 509245), (5, 407396), (10, 203698), (11, 185180), (20, 101849), (22, 92590), (44, 46295), (47, 43340), (55, 37036), (94, 21670), (110, 18518), (188, 10835), (197, 10340), (220, 9259), (235, 8668), (394, 5170), (470, 4334), (517, 3940), (788, 2585), (940, 2167), (985, 2068), (1034, 1970)]