20927842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18719}}^1$

素因数の和:18777

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 13666718

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18719, 37438, 243347, 486694, 804917, 1609834, 10463921, 20927842]

約数ペア:

[(1, 20927842), (2, 10463921), (13, 1609834), (26, 804917), (43, 486694), (86, 243347), (559, 37438), (1118, 18719)]