20178023787

素因数分解:

$3^2\times {\mathrm{4507}}^1\times {\mathrm{497449}}^1$

素因数の和:501962

約数の個数: 12

約数和(自身を含む): 29152559800

約数和(自身を除く): 8974536013

約数列:

[1, 3, 9, 4507, 13521, 40563, 497449, 1492347, 4477041, 2242002643, 6726007929, 20178023787]

約数ペア:

[(1, 20178023787), (3, 6726007929), (9, 2242002643), (4507, 4477041), (13521, 1492347), (40563, 497449)]