20120123061

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{488009}}^1$

素因数の和:488530

約数の個数: 20

約数和(自身を含む): 30115097100

約数和(自身を除く): 9994974039

約数列:

[1, 3, 9, 27, 81, 509, 1527, 4581, 13743, 41229, 488009, 1464027, 4392081, 13176243, 39528729, 248396581, 745189743, 2235569229, 6706707687, 20120123061]

約数ペア:

[(1, 20120123061), (3, 6706707687), (9, 2235569229), (27, 745189743), (81, 248396581), (509, 39528729), (1527, 13176243), (4581, 4392081), (13743, 1464027), (41229, 488009)]