20487802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3251}}^1$

素因数の和:3413

約数の個数: 16

約数和(自身を含む): 32311872

約数和(自身を除く): 11824070

約数列:

[1, 2, 23, 46, 137, 274, 3151, 3251, 6302, 6502, 74773, 149546, 445387, 890774, 10243901, 20487802]

約数ペア:

[(1, 20487802), (2, 10243901), (23, 890774), (46, 445387), (137, 149546), (274, 74773), (3151, 6502), (3251, 6302)]