20173566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 27073410

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 107, 134, 201, 214, 321, 402, 469, 642, 749, 938, 1407, 1498, 2247, 2814, 4489, 4494, 7169, 8978, 13467, 14338, 21507, 26934, 31423, 43014, 50183, 62846, 94269, 100366, 150549, 188538, 301098, 480323, 960646, 1440969, 2881938, 3362261, 6724522, 10086783, 20173566]

約数ペア:

[(1, 20173566), (2, 10086783), (3, 6724522), (6, 3362261), (7, 2881938), (14, 1440969), (21, 960646), (42, 480323), (67, 301098), (107, 188538), (134, 150549), (201, 100366), (214, 94269), (321, 62846), (402, 50183), (469, 43014), (642, 31423), (749, 26934), (938, 21507), (1407, 14338), (1498, 13467), (2247, 8978), (2814, 7169), (4489, 4494)]