20804563197

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{317923}}^1$

素因数の和:318601

約数の個数: 24

約数和(自身を含む): 32832647328

約数和(自身を除く): 12028084131

約数列:

[1, 3, 9, 11, 33, 99, 661, 1983, 5949, 7271, 21813, 65439, 317923, 953769, 2861307, 3497153, 10491459, 31474377, 210147103, 630441309, 1891323927, 2311618133, 6934854399, 20804563197]

約数ペア:

[(1, 20804563197), (3, 6934854399), (9, 2311618133), (11, 1891323927), (33, 630441309), (99, 210147103), (661, 31474377), (1983, 10491459), (5949, 3497153), (7271, 2861307), (21813, 953769), (65439, 317923)]