20831468

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4621}}^1$

素因数の和:4662

約数の個数: 36

約数和(自身を含む): 44260272

約数和(自身を除く): 23428804

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 4621, 9242, 18484, 32347, 64694, 106283, 129388, 212566, 226429, 425132, 452858, 743981, 905716, 1487962, 2975924, 5207867, 10415734, 20831468]

約数ペア:

[(1, 20831468), (2, 10415734), (4, 5207867), (7, 2975924), (14, 1487962), (23, 905716), (28, 743981), (46, 452858), (49, 425132), (92, 226429), (98, 212566), (161, 129388), (196, 106283), (322, 64694), (644, 32347), (1127, 18484), (2254, 9242), (4508, 4621)]