20747155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29017}}^1$

素因数の和:29046

約数の個数: 16

約数和(自身を含む): 29250144

約数和(自身を除く): 8502989

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29017, 145085, 319187, 377221, 1595935, 1886105, 4149431, 20747155]

約数ペア:

[(1, 20747155), (5, 4149431), (11, 1886105), (13, 1595935), (55, 377221), (65, 319187), (143, 145085), (715, 29017)]