20269938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1721}}^1$

素因数の和:1890

約数の個数: 32

約数和(自身を含む): 43972992

約数和(自身を除く): 23703054

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 151, 302, 453, 906, 1721, 1963, 3442, 3926, 5163, 5889, 10326, 11778, 22373, 44746, 67119, 134238, 259871, 519742, 779613, 1559226, 3378323, 6756646, 10134969, 20269938]

約数ペア:

[(1, 20269938), (2, 10134969), (3, 6756646), (6, 3378323), (13, 1559226), (26, 779613), (39, 519742), (78, 259871), (151, 134238), (302, 67119), (453, 44746), (906, 22373), (1721, 11778), (1963, 10326), (3442, 5889), (3926, 5163)]