20905416

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41479}}^1$

素因数の和:41498

約数の個数: 48

約数和(自身を含む): 64708800

約数和(自身を除く): 43803384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41479, 82958, 124437, 165916, 248874, 290353, 331832, 373311, 497748, 580706, 746622, 871059, 995496, 1161412, 1493244, 1742118, 2322824, 2613177, 2986488, 3484236, 5226354, 6968472, 10452708, 20905416]

約数ペア:

[(1, 20905416), (2, 10452708), (3, 6968472), (4, 5226354), (6, 3484236), (7, 2986488), (8, 2613177), (9, 2322824), (12, 1742118), (14, 1493244), (18, 1161412), (21, 995496), (24, 871059), (28, 746622), (36, 580706), (42, 497748), (56, 373311), (63, 331832), (72, 290353), (84, 248874), (126, 165916), (168, 124437), (252, 82958), (504, 41479)]