20359304

素因数分解:

$2^3\times 7^2\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24456376

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 167, 196, 311, 334, 392, 622, 668, 1169, 1244, 1336, 2177, 2338, 2488, 4354, 4676, 8183, 8708, 9352, 15239, 16366, 17416, 30478, 32732, 51937, 60956, 65464, 103874, 121912, 207748, 363559, 415496, 727118, 1454236, 2544913, 2908472, 5089826, 10179652, 20359304]

約数ペア:

[(1, 20359304), (2, 10179652), (4, 5089826), (7, 2908472), (8, 2544913), (14, 1454236), (28, 727118), (49, 415496), (56, 363559), (98, 207748), (167, 121912), (196, 103874), (311, 65464), (334, 60956), (392, 51937), (622, 32732), (668, 30478), (1169, 17416), (1244, 16366), (1336, 15239), (2177, 9352), (2338, 8708), (2488, 8183), (4354, 4676)]