20813748

素因数分解:

$2^2\times 3^1\times {\mathrm{1231}}^1\times {\mathrm{1409}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 48639360

約数和(自身を除く): 27825612

約数列:

[1, 2, 3, 4, 6, 12, 1231, 1409, 2462, 2818, 3693, 4227, 4924, 5636, 7386, 8454, 14772, 16908, 1734479, 3468958, 5203437, 6937916, 10406874, 20813748]

約数ペア:

[(1, 20813748), (2, 10406874), (3, 6937916), (4, 5203437), (6, 3468958), (12, 1734479), (1231, 16908), (1409, 14772), (2462, 8454), (2818, 7386), (3693, 5636), (4227, 4924)]