16220920

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{677}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 36612000

約数和(自身を除く): 20391080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 677, 1198, 1354, 2396, 2708, 2995, 3385, 4792, 5416, 5990, 6770, 11980, 13540, 23960, 27080, 405523, 811046, 1622092, 2027615, 3244184, 4055230, 8110460, 16220920]

約数ペア:

[(1, 16220920), (2, 8110460), (4, 4055230), (5, 3244184), (8, 2027615), (10, 1622092), (20, 811046), (40, 405523), (599, 27080), (677, 23960), (1198, 13540), (1354, 11980), (2396, 6770), (2708, 5990), (2995, 5416), (3385, 4792)]