20892381

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5021}}^1$

素因数の和:5116

約数の個数: 16

約数和(自身を含む): 29730240

約数和(自身を除く): 8837859

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 5021, 15063, 95399, 286197, 366533, 1099599, 6964127, 20892381]

約数ペア:

[(1, 20892381), (3, 6964127), (19, 1099599), (57, 366533), (73, 286197), (219, 95399), (1387, 15063), (4161, 5021)]