20658319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 23184000

約数和(自身を除く): 2525681

約数列:

[1, 11, 59, 139, 229, 649, 1529, 2519, 8201, 13511, 31831, 90211, 148621, 350141, 1878029, 20658319]

約数ペア:

[(1, 20658319), (11, 1878029), (59, 350141), (139, 148621), (229, 90211), (649, 31831), (1529, 13511), (2519, 8201)]