20396961

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{58111}}^1$

素因数の和:58133

約数の個数: 16

約数和(自身を含む): 32542720

約数和(自身を除く): 12145759

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 58111, 174333, 522999, 755443, 1568997, 2266329, 6798987, 20396961]

約数ペア:

[(1, 20396961), (3, 6798987), (9, 2266329), (13, 1568997), (27, 755443), (39, 522999), (117, 174333), (351, 58111)]