20603548

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1307}}^1$

素因数の和:1881

約数の個数: 24

約数和(自身を含む): 41311872

約数和(自身を除く): 20708324

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 1307, 2252, 2614, 3941, 5228, 7882, 9149, 15764, 18298, 36596, 735841, 1471682, 2943364, 5150887, 10301774, 20603548]

約数ペア:

[(1, 20603548), (2, 10301774), (4, 5150887), (7, 2943364), (14, 1471682), (28, 735841), (563, 36596), (1126, 18298), (1307, 15764), (2252, 9149), (2614, 7882), (3941, 5228)]