20409869988

素因数分解:

$2^2\times 3^2\times {\mathrm{823}}^1\times {\mathrm{688871}}^1$

素因数の和:689704

約数の個数: 36

約数和(自身を含む): 51654378048

約数和(自身を除く): 31244508060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 823, 1646, 2469, 3292, 4938, 7407, 9876, 14814, 29628, 688871, 1377742, 2066613, 2755484, 4133226, 6199839, 8266452, 12399678, 24799356, 566940833, 1133881666, 1700822499, 2267763332, 3401644998, 5102467497, 6803289996, 10204934994, 20409869988]

約数ペア:

[(1, 20409869988), (2, 10204934994), (3, 6803289996), (4, 5102467497), (6, 3401644998), (9, 2267763332), (12, 1700822499), (18, 1133881666), (36, 566940833), (823, 24799356), (1646, 12399678), (2469, 8266452), (3292, 6199839), (4938, 4133226), (7407, 2755484), (9876, 2066613), (14814, 1377742), (29628, 688871)]