20384336

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4919}}^1$

素因数の和:4971

約数の個数: 40

約数和(自身を含む): 46366080

約数和(自身を除く): 25981744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4919, 9838, 19676, 34433, 39352, 68866, 78704, 137732, 182003, 275464, 364006, 550928, 728012, 1274021, 1456024, 2548042, 2912048, 5096084, 10192168, 20384336]

約数ペア:

[(1, 20384336), (2, 10192168), (4, 5096084), (7, 2912048), (8, 2548042), (14, 1456024), (16, 1274021), (28, 728012), (37, 550928), (56, 364006), (74, 275464), (112, 182003), (148, 137732), (259, 78704), (296, 68866), (518, 39352), (592, 34433), (1036, 19676), (2072, 9838), (4144, 4919)]