20984614

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5531}}^1$

素因数の和:5811

約数の個数: 16

約数和(自身を含む): 36112896

約数和(自身を除く): 15128282

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 5531, 11062, 38717, 77434, 1498901, 2997802, 10492307, 20984614]

約数ペア:

[(1, 20984614), (2, 10492307), (7, 2997802), (14, 1498901), (271, 77434), (542, 38717), (1897, 11062), (3794, 5531)]