20120681789

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{222601}}^1$

素因数の和:223040

約数の個数: 16

約数和(自身を含む): 22999238640

約数和(自身を除く): 2878556851

約数列:

[1, 13, 17, 221, 409, 5317, 6953, 90389, 222601, 2893813, 3784217, 49194821, 91043809, 1183569517, 1547744753, 20120681789]

約数ペア:

[(1, 20120681789), (13, 1547744753), (17, 1183569517), (221, 91043809), (409, 49194821), (5317, 3784217), (6953, 2893813), (90389, 222601)]