20067496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 41227200

約数和(自身を除く): 21159704

約数列:

[1, 2, 4, 8, 19, 38, 47, 53, 76, 94, 106, 152, 188, 212, 376, 424, 893, 1007, 1786, 2014, 2491, 2809, 3572, 4028, 4982, 5618, 7144, 8056, 9964, 11236, 19928, 22472, 47329, 53371, 94658, 106742, 132023, 189316, 213484, 264046, 378632, 426968, 528092, 1056184, 2508437, 5016874, 10033748, 20067496]

約数ペア:

[(1, 20067496), (2, 10033748), (4, 5016874), (8, 2508437), (19, 1056184), (38, 528092), (47, 426968), (53, 378632), (76, 264046), (94, 213484), (106, 189316), (152, 132023), (188, 106742), (212, 94658), (376, 53371), (424, 47329), (893, 22472), (1007, 19928), (1786, 11236), (2014, 9964), (2491, 8056), (2809, 7144), (3572, 5618), (4028, 4982)]