20506958

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3559}}^1$

素因数の和:3671

約数の個数: 16

約数和(自身を含む): 31954560

約数和(自身を除く): 11447602

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3559, 5762, 7118, 153037, 238453, 306074, 476906, 10253479, 20506958]

約数ペア:

[(1, 20506958), (2, 10253479), (43, 476906), (67, 306074), (86, 238453), (134, 153037), (2881, 7118), (3559, 5762)]