20530671

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26423}}^1$

素因数の和:26470

約数の個数: 16

約数和(自身を含む): 32131584

約数和(自身を除く): 11600913

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 26423, 79269, 184961, 554883, 977651, 2932953, 6843557, 20530671]

約数ペア:

[(1, 20530671), (3, 6843557), (7, 2932953), (21, 977651), (37, 554883), (111, 184961), (259, 79269), (777, 26423)]