20354906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71171}}^1$

素因数の和:71197

約数の個数: 16

約数和(自身を含む): 35870688

約数和(自身を除く): 15515782

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71171, 142342, 782881, 925223, 1565762, 1850446, 10177453, 20354906]

約数ペア:

[(1, 20354906), (2, 10177453), (11, 1850446), (13, 1565762), (22, 925223), (26, 782881), (143, 142342), (286, 71171)]