20997846

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{9043}}^1$

素因数の和:9097

約数の個数: 32

約数和(自身を含む): 47752320

約数和(自身を除く): 26754474

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 9043, 18086, 27129, 54258, 81387, 162774, 244161, 388849, 488322, 777698, 1166547, 2333094, 3499641, 6999282, 10498923, 20997846]

約数ペア:

[(1, 20997846), (2, 10498923), (3, 6999282), (6, 3499641), (9, 2333094), (18, 1166547), (27, 777698), (43, 488322), (54, 388849), (86, 244161), (129, 162774), (258, 81387), (387, 54258), (774, 27129), (1161, 18086), (2322, 9043)]