20281963515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2543}}^1\times {\mathrm{48337}}^1$

素因数の和:50899

約数の個数: 32

約数和(自身を含む): 35415899136

約数和(自身を除く): 15133935621

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 2543, 7629, 12715, 27973, 38145, 48337, 83919, 139865, 145011, 241685, 419595, 531707, 725055, 1595121, 2658535, 7975605, 122920991, 368762973, 614604955, 1352130901, 1843814865, 4056392703, 6760654505, 20281963515]

約数ペア:

[(1, 20281963515), (3, 6760654505), (5, 4056392703), (11, 1843814865), (15, 1352130901), (33, 614604955), (55, 368762973), (165, 122920991), (2543, 7975605), (7629, 2658535), (12715, 1595121), (27973, 725055), (38145, 531707), (48337, 419595), (83919, 241685), (139865, 145011)]