20697802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1543}}^1$

素因数の和:1917

約数の個数: 16

約数和(自身を含む): 32794560

約数和(自身を除く): 12096758

約数列:

[1, 2, 19, 38, 353, 706, 1543, 3086, 6707, 13414, 29317, 58634, 544679, 1089358, 10348901, 20697802]

約数ペア:

[(1, 20697802), (2, 10348901), (19, 1089358), (38, 544679), (353, 58634), (706, 29317), (1543, 13414), (3086, 6707)]