20933346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 49978368

約数和(自身を除く): 29045022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 67, 86, 129, 134, 173, 201, 258, 301, 346, 402, 469, 519, 602, 903, 938, 1038, 1211, 1407, 1806, 2422, 2814, 2881, 3633, 5762, 7266, 7439, 8643, 11591, 14878, 17286, 20167, 22317, 23182, 34773, 40334, 44634, 52073, 60501, 69546, 81137, 104146, 121002, 156219, 162274, 243411, 312438, 486822, 498413, 996826, 1495239, 2990478, 3488891, 6977782, 10466673, 20933346]

約数ペア:

[(1, 20933346), (2, 10466673), (3, 6977782), (6, 3488891), (7, 2990478), (14, 1495239), (21, 996826), (42, 498413), (43, 486822), (67, 312438), (86, 243411), (129, 162274), (134, 156219), (173, 121002), (201, 104146), (258, 81137), (301, 69546), (346, 60501), (402, 52073), (469, 44634), (519, 40334), (602, 34773), (903, 23182), (938, 22317), (1038, 20167), (1211, 17286), (1407, 14878), (1806, 11591), (2422, 8643), (2814, 7439), (2881, 7266), (3633, 5762)]