20971116

素因数分解:

$2^2\times 3^3\times {\mathrm{277}}^1\times {\mathrm{701}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 54643680

約数和(自身を除く): 33672564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 277, 554, 701, 831, 1108, 1402, 1662, 2103, 2493, 2804, 3324, 4206, 4986, 6309, 7479, 8412, 9972, 12618, 14958, 18927, 25236, 29916, 37854, 75708, 194177, 388354, 582531, 776708, 1165062, 1747593, 2330124, 3495186, 5242779, 6990372, 10485558, 20971116]

約数ペア:

[(1, 20971116), (2, 10485558), (3, 6990372), (4, 5242779), (6, 3495186), (9, 2330124), (12, 1747593), (18, 1165062), (27, 776708), (36, 582531), (54, 388354), (108, 194177), (277, 75708), (554, 37854), (701, 29916), (831, 25236), (1108, 18927), (1402, 14958), (1662, 12618), (2103, 9972), (2493, 8412), (2804, 7479), (3324, 6309), (4206, 4986)]