20067897

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 27211392

約数和(自身を除く): 7143495

約数列:

[1, 3, 137, 157, 311, 411, 471, 933, 21509, 42607, 48827, 64527, 127821, 146481, 6689299, 20067897]

約数ペア:

[(1, 20067897), (3, 6689299), (137, 146481), (157, 127821), (311, 64527), (411, 48827), (471, 42607), (933, 21509)]