20794228

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8161}}^1$

素因数の和:8192

約数の個数: 36

約数和(自身を含む): 45592932

約数和(自身を除く): 24798704

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8161, 16322, 32644, 57127, 106093, 114254, 212186, 228508, 399889, 424372, 742651, 799778, 1485302, 1599556, 2970604, 5198557, 10397114, 20794228]

約数ペア:

[(1, 20794228), (2, 10397114), (4, 5198557), (7, 2970604), (13, 1599556), (14, 1485302), (26, 799778), (28, 742651), (49, 424372), (52, 399889), (91, 228508), (98, 212186), (182, 114254), (196, 106093), (364, 57127), (637, 32644), (1274, 16322), (2548, 8161)]