20583800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1019}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 48378600

約数和(自身を除く): 27794800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1019, 2020, 2038, 2525, 4040, 4076, 5050, 5095, 8152, 10100, 10190, 20200, 20380, 25475, 40760, 50950, 101900, 102919, 203800, 205838, 411676, 514595, 823352, 1029190, 2058380, 2572975, 4116760, 5145950, 10291900, 20583800]

約数ペア:

[(1, 20583800), (2, 10291900), (4, 5145950), (5, 4116760), (8, 2572975), (10, 2058380), (20, 1029190), (25, 823352), (40, 514595), (50, 411676), (100, 205838), (101, 203800), (200, 102919), (202, 101900), (404, 50950), (505, 40760), (808, 25475), (1010, 20380), (1019, 20200), (2020, 10190), (2038, 10100), (2525, 8152), (4040, 5095), (4076, 5050)]