20340281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 22868160

約数和(自身を除く): 2527879

約数列:

[1, 13, 29, 163, 331, 377, 2119, 4303, 4727, 9599, 53953, 61451, 124787, 701389, 1564637, 20340281]

約数ペア:

[(1, 20340281), (13, 1564637), (29, 701389), (163, 124787), (331, 61451), (377, 53953), (2119, 9599), (4303, 4727)]