20246985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40903}}^1$

素因数の和:40925

約数の個数: 24

約数和(自身を含む): 38286144

約数和(自身を除く): 18039159

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40903, 122709, 204515, 368127, 449933, 613545, 1349799, 1840635, 2249665, 4049397, 6748995, 20246985]

約数ペア:

[(1, 20246985), (3, 6748995), (5, 4049397), (9, 2249665), (11, 1840635), (15, 1349799), (33, 613545), (45, 449933), (55, 368127), (99, 204515), (165, 122709), (495, 40903)]