20103490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1021}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 39735360

約数和(自身を除く): 19631870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 1021, 1790, 1969, 2042, 3938, 5105, 9845, 10210, 11231, 19690, 22462, 56155, 112310, 182759, 365518, 913795, 1827590, 2010349, 4020698, 10051745, 20103490]

約数ペア:

[(1, 20103490), (2, 10051745), (5, 4020698), (10, 2010349), (11, 1827590), (22, 913795), (55, 365518), (110, 182759), (179, 112310), (358, 56155), (895, 22462), (1021, 19690), (1790, 11231), (1969, 10210), (2042, 9845), (3938, 5105)]