20008072

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 44692560

約数和(自身を除く): 24684488

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1187, 1204, 2107, 2374, 2408, 4214, 4748, 8309, 8428, 9496, 16618, 16856, 33236, 51041, 58163, 66472, 102082, 116326, 204164, 232652, 357287, 408328, 465304, 714574, 1429148, 2501009, 2858296, 5002018, 10004036, 20008072]

約数ペア:

[(1, 20008072), (2, 10004036), (4, 5002018), (7, 2858296), (8, 2501009), (14, 1429148), (28, 714574), (43, 465304), (49, 408328), (56, 357287), (86, 232652), (98, 204164), (172, 116326), (196, 102082), (301, 66472), (344, 58163), (392, 51041), (602, 33236), (1187, 16856), (1204, 16618), (2107, 9496), (2374, 8428), (2408, 8309), (4214, 4748)]