20482672

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{919}}^1$

素因数の和:1133

約数の個数: 40

約数和(自身を含む): 45632000

約数和(自身を除く): 25149328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 919, 1393, 1592, 1838, 2786, 3184, 3676, 5572, 6433, 7352, 11144, 12866, 14704, 22288, 25732, 51464, 102928, 182881, 365762, 731524, 1280167, 1463048, 2560334, 2926096, 5120668, 10241336, 20482672]

約数ペア:

[(1, 20482672), (2, 10241336), (4, 5120668), (7, 2926096), (8, 2560334), (14, 1463048), (16, 1280167), (28, 731524), (56, 365762), (112, 182881), (199, 102928), (398, 51464), (796, 25732), (919, 22288), (1393, 14704), (1592, 12866), (1838, 11144), (2786, 7352), (3184, 6433), (3676, 5572)]