20891694

素因数分解:

$2^1\times 3^1\times {\mathrm{691}}^1\times {\mathrm{5039}}^1$

素因数の和:5735

約数の個数: 16

約数和(自身を含む): 41852160

約数和(自身を除く): 20960466

約数列:

[1, 2, 3, 6, 691, 1382, 2073, 4146, 5039, 10078, 15117, 30234, 3481949, 6963898, 10445847, 20891694]

約数ペア:

[(1, 20891694), (2, 10445847), (3, 6963898), (6, 3481949), (691, 30234), (1382, 15117), (2073, 10078), (4146, 5039)]