20012776

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2687}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 25952024

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2687, 3724, 5374, 7448, 10748, 18809, 21496, 37618, 51053, 75236, 102106, 131663, 150472, 204212, 263326, 357371, 408424, 526652, 714742, 1053304, 1429484, 2501597, 2858968, 5003194, 10006388, 20012776]

約数ペア:

[(1, 20012776), (2, 10006388), (4, 5003194), (7, 2858968), (8, 2501597), (14, 1429484), (19, 1053304), (28, 714742), (38, 526652), (49, 408424), (56, 357371), (76, 263326), (98, 204212), (133, 150472), (152, 131663), (196, 102106), (266, 75236), (392, 51053), (532, 37618), (931, 21496), (1064, 18809), (1862, 10748), (2687, 7448), (3724, 5374)]