20778811223

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{26297}}^1$

素因数の和:26758

約数の個数: 16

約数和(自身を含む): 21812613120

約数和(自身を除く): 1033801897

約数列:

[1, 31, 71, 359, 2201, 11129, 25489, 26297, 790159, 815207, 1867087, 9440623, 57879697, 292659313, 670284233, 20778811223]

約数ペア:

[(1, 20778811223), (31, 670284233), (71, 292659313), (359, 57879697), (2201, 9440623), (11129, 1867087), (25489, 815207), (26297, 790159)]