20807892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82571}}^1$

素因数の和:82588

約数の個数: 36

約数和(自身を含む): 60112416

約数和(自身を除く): 39304524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82571, 165142, 247713, 330284, 495426, 577997, 743139, 990852, 1155994, 1486278, 1733991, 2311988, 2972556, 3467982, 5201973, 6935964, 10403946, 20807892]

約数ペア:

[(1, 20807892), (2, 10403946), (3, 6935964), (4, 5201973), (6, 3467982), (7, 2972556), (9, 2311988), (12, 1733991), (14, 1486278), (18, 1155994), (21, 990852), (28, 743139), (36, 577997), (42, 495426), (63, 330284), (84, 247713), (126, 165142), (252, 82571)]