20722317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 34805760

約数和(自身を除く): 14083443

約数列:

[1, 3, 7, 11, 21, 33, 77, 109, 231, 327, 763, 823, 1199, 2289, 2469, 3597, 5761, 8393, 9053, 17283, 25179, 27159, 63371, 89707, 190113, 269121, 627949, 986777, 1883847, 2960331, 6907439, 20722317]

約数ペア:

[(1, 20722317), (3, 6907439), (7, 2960331), (11, 1883847), (21, 986777), (33, 627949), (77, 269121), (109, 190113), (231, 89707), (327, 63371), (763, 27159), (823, 25179), (1199, 17283), (2289, 9053), (2469, 8393), (3597, 5761)]