20650773

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 33247872

約数和(自身を除く): 12597099

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1301, 1443, 3903, 5291, 14311, 15873, 16913, 42933, 48137, 50739, 144411, 186043, 529507, 558129, 625781, 1588521, 1877343, 6883591, 20650773]

約数ペア:

[(1, 20650773), (3, 6883591), (11, 1877343), (13, 1588521), (33, 625781), (37, 558129), (39, 529507), (111, 186043), (143, 144411), (407, 50739), (429, 48137), (481, 42933), (1221, 16913), (1301, 15873), (1443, 14311), (3903, 5291)]