20173496

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 44877240

約数和(自身を除く): 24703744

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 971, 1484, 1942, 2597, 2968, 3884, 5194, 6797, 7768, 10388, 13594, 20776, 27188, 47579, 51463, 54376, 95158, 102926, 190316, 205852, 360241, 380632, 411704, 720482, 1440964, 2521687, 2881928, 5043374, 10086748, 20173496]

約数ペア:

[(1, 20173496), (2, 10086748), (4, 5043374), (7, 2881928), (8, 2521687), (14, 1440964), (28, 720482), (49, 411704), (53, 380632), (56, 360241), (98, 205852), (106, 190316), (196, 102926), (212, 95158), (371, 54376), (392, 51463), (424, 47579), (742, 27188), (971, 20776), (1484, 13594), (1942, 10388), (2597, 7768), (2968, 6797), (3884, 5194)]