20804322

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{919}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 52992000

約数和(自身を除く): 32187678

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 343, 462, 539, 686, 919, 1029, 1078, 1617, 1838, 2058, 2757, 3234, 3773, 5514, 6433, 7546, 10109, 11319, 12866, 19299, 20218, 22638, 30327, 38598, 45031, 60654, 70763, 90062, 135093, 141526, 212289, 270186, 315217, 424578, 495341, 630434, 945651, 990682, 1486023, 1891302, 2972046, 3467387, 6934774, 10402161, 20804322]

約数ペア:

[(1, 20804322), (2, 10402161), (3, 6934774), (6, 3467387), (7, 2972046), (11, 1891302), (14, 1486023), (21, 990682), (22, 945651), (33, 630434), (42, 495341), (49, 424578), (66, 315217), (77, 270186), (98, 212289), (147, 141526), (154, 135093), (231, 90062), (294, 70763), (343, 60654), (462, 45031), (539, 38598), (686, 30327), (919, 22638), (1029, 20218), (1078, 19299), (1617, 12866), (1838, 11319), (2058, 10109), (2757, 7546), (3234, 6433), (3773, 5514)]