20971534749

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1229209}}^1$

素因数の和:1229281

約数の個数: 24

約数和(自身を含む): 31389106560

約数和(自身を除く): 10417571811

約数列:

[1, 3, 11, 33, 47, 121, 141, 363, 517, 1551, 5687, 17061, 1229209, 3687627, 13521299, 40563897, 57772823, 148734289, 173318469, 446202867, 635501053, 1906503159, 6990511583, 20971534749]

約数ペア:

[(1, 20971534749), (3, 6990511583), (11, 1906503159), (33, 635501053), (47, 446202867), (121, 173318469), (141, 148734289), (363, 57772823), (517, 40563897), (1551, 13521299), (5687, 3687627), (17061, 1229209)]