20564922

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 49167360

約数和(自身を除く): 28602438

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 59, 86, 118, 129, 177, 193, 258, 301, 354, 386, 413, 579, 602, 826, 903, 1158, 1239, 1351, 1806, 2478, 2537, 2702, 4053, 5074, 7611, 8106, 8299, 11387, 15222, 16598, 17759, 22774, 24897, 34161, 35518, 49794, 53277, 58093, 68322, 79709, 106554, 116186, 159418, 174279, 239127, 348558, 478254, 489641, 979282, 1468923, 2937846, 3427487, 6854974, 10282461, 20564922]

約数ペア:

[(1, 20564922), (2, 10282461), (3, 6854974), (6, 3427487), (7, 2937846), (14, 1468923), (21, 979282), (42, 489641), (43, 478254), (59, 348558), (86, 239127), (118, 174279), (129, 159418), (177, 116186), (193, 106554), (258, 79709), (301, 68322), (354, 58093), (386, 53277), (413, 49794), (579, 35518), (602, 34161), (826, 24897), (903, 22774), (1158, 17759), (1239, 16598), (1351, 15222), (1806, 11387), (2478, 8299), (2537, 8106), (2702, 7611), (4053, 5074)]