20585854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 33939360

約数和(自身を除く): 13353506

約数列:

[1, 2, 19, 38, 41, 73, 82, 146, 181, 362, 779, 1387, 1558, 2774, 2993, 3439, 5986, 6878, 7421, 13213, 14842, 26426, 56867, 113734, 140999, 251047, 281998, 502094, 541733, 1083466, 10292927, 20585854]

約数ペア:

[(1, 20585854), (2, 10292927), (19, 1083466), (38, 541733), (41, 502094), (73, 281998), (82, 251047), (146, 140999), (181, 113734), (362, 56867), (779, 26426), (1387, 14842), (1558, 13213), (2774, 7421), (2993, 6878), (3439, 5986)]