20422773

素因数分解:

$3^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 35235200

約数和(自身を除く): 14812427

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 181, 189, 199, 543, 567, 597, 1267, 1393, 1629, 1791, 3801, 4179, 4887, 5373, 11403, 12537, 14661, 16119, 34209, 36019, 37611, 102627, 108057, 112833, 252133, 324171, 756399, 972513, 2269197, 2917539, 6807591, 20422773]

約数ペア:

[(1, 20422773), (3, 6807591), (7, 2917539), (9, 2269197), (21, 972513), (27, 756399), (63, 324171), (81, 252133), (181, 112833), (189, 108057), (199, 102627), (543, 37611), (567, 36019), (597, 34209), (1267, 16119), (1393, 14661), (1629, 12537), (1791, 11403), (3801, 5373), (4179, 4887)]