20356974

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 30204306

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 387, 473, 594, 774, 797, 946, 1161, 1419, 1594, 2322, 2391, 2838, 4257, 4782, 7173, 8514, 8767, 12771, 14346, 17534, 21519, 25542, 26301, 34271, 43038, 52602, 68542, 78903, 102813, 157806, 205626, 236709, 308439, 376981, 473418, 616878, 753962, 925317, 1130943, 1850634, 2261886, 3392829, 6785658, 10178487, 20356974]

約数ペア:

[(1, 20356974), (2, 10178487), (3, 6785658), (6, 3392829), (9, 2261886), (11, 1850634), (18, 1130943), (22, 925317), (27, 753962), (33, 616878), (43, 473418), (54, 376981), (66, 308439), (86, 236709), (99, 205626), (129, 157806), (198, 102813), (258, 78903), (297, 68542), (387, 52602), (473, 43038), (594, 34271), (774, 26301), (797, 25542), (946, 21519), (1161, 17534), (1419, 14346), (1594, 12771), (2322, 8767), (2391, 8514), (2838, 7173), (4257, 4782)]