20425185

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41263}}^1$

素因数の和:41285

約数の個数: 24

約数和(自身を含む): 38623104

約数和(自身を除く): 18197919

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41263, 123789, 206315, 371367, 453893, 618945, 1361679, 1856835, 2269465, 4085037, 6808395, 20425185]

約数ペア:

[(1, 20425185), (3, 6808395), (5, 4085037), (9, 2269465), (11, 1856835), (15, 1361679), (33, 618945), (45, 453893), (55, 371367), (99, 206315), (165, 123789), (495, 41263)]