20872863

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6389}}^1$

素因数の和:6420

約数の個数: 24

約数和(自身を含む): 33994800

約数和(自身を除く): 13121937

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6389, 19167, 57501, 70279, 172503, 210837, 632511, 773069, 1897533, 2319207, 6957621, 20872863]

約数ペア:

[(1, 20872863), (3, 6957621), (9, 2319207), (11, 1897533), (27, 773069), (33, 632511), (99, 210837), (121, 172503), (297, 70279), (363, 57501), (1089, 19167), (3267, 6389)]