16920761

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 20735232

約数和(自身を除く): 3814471

約数列:

[1, 11, 13, 31, 121, 143, 341, 347, 403, 1573, 3751, 3817, 4433, 4511, 10757, 41987, 48763, 49621, 118327, 139841, 545831, 1301597, 1538251, 16920761]

約数ペア:

[(1, 16920761), (11, 1538251), (13, 1301597), (31, 545831), (121, 139841), (143, 118327), (341, 49621), (347, 48763), (403, 41987), (1573, 10757), (3751, 4511), (3817, 4433)]