20560698905

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1\times {\mathrm{1021}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 25538553600

約数和(自身を除く): 4977854695

約数列:

[1, 5, 37, 185, 199, 547, 995, 1021, 2735, 5105, 7363, 20239, 36815, 37777, 101195, 108853, 188885, 203179, 544265, 558487, 1015895, 2792435, 4027561, 7517623, 20137805, 20664019, 37588115, 103320095, 111138913, 555694565, 4112139781, 20560698905]

約数ペア:

[(1, 20560698905), (5, 4112139781), (37, 555694565), (185, 111138913), (199, 103320095), (547, 37588115), (995, 20664019), (1021, 20137805), (2735, 7517623), (5105, 4027561), (7363, 2792435), (20239, 1015895), (36815, 558487), (37777, 544265), (101195, 203179), (108853, 188885)]