20382271

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3343}}^1$

素因数の和:3430

約数の個数: 16

約数和(自身を含む): 25467904

約数和(自身を除く): 5085633

約数列:

[1, 7, 13, 67, 91, 469, 871, 3343, 6097, 23401, 43459, 223981, 304213, 1567867, 2911753, 20382271]

約数ペア:

[(1, 20382271), (7, 2911753), (13, 1567867), (67, 304213), (91, 223981), (469, 43459), (871, 23401), (3343, 6097)]