20303910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20509}}^1$

素因数の和:20533

約数の個数: 48

約数和(自身を含む): 57592080

約数和(自身を除く): 37288170

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20509, 41018, 61527, 102545, 123054, 184581, 205090, 225599, 307635, 369162, 451198, 615270, 676797, 922905, 1127995, 1353594, 1845810, 2030391, 2255990, 3383985, 4060782, 6767970, 10151955, 20303910]

約数ペア:

[(1, 20303910), (2, 10151955), (3, 6767970), (5, 4060782), (6, 3383985), (9, 2255990), (10, 2030391), (11, 1845810), (15, 1353594), (18, 1127995), (22, 922905), (30, 676797), (33, 615270), (45, 451198), (55, 369162), (66, 307635), (90, 225599), (99, 205090), (110, 184581), (165, 123054), (198, 102545), (330, 61527), (495, 41018), (990, 20509)]