20689097

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 3805303

約数列:

[1, 11, 13, 143, 149, 971, 1639, 1937, 10681, 12623, 21307, 138853, 144679, 1591469, 1880827, 20689097]

約数ペア:

[(1, 20689097), (11, 1880827), (13, 1591469), (143, 144679), (149, 138853), (971, 21307), (1639, 12623), (1937, 10681)]