20789174

素因数分解:

$2^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1831}}^1$

素因数の和:2651

約数の個数: 16

約数和(自身を含む): 35702016

約数和(自身を除く): 14912842

約数列:

[1, 2, 7, 14, 811, 1622, 1831, 3662, 5677, 11354, 12817, 25634, 1484941, 2969882, 10394587, 20789174]

約数ペア:

[(1, 20789174), (2, 10394587), (7, 2969882), (14, 1484941), (811, 25634), (1622, 12817), (1831, 11354), (3662, 5677)]