20805930257

素因数分解:

$7^1\times {\mathrm{677}}^1\times {\mathrm{701}}^1\times {\mathrm{6263}}^1$

素因数の和:7648

約数の個数: 16

約数和(自身を含む): 23851107072

約数和(自身を除く): 3045176815

約数列:

[1, 7, 677, 701, 4739, 4907, 6263, 43841, 474577, 3322039, 4240051, 4390363, 29680357, 30732541, 2972275751, 20805930257]

約数ペア:

[(1, 20805930257), (7, 2972275751), (677, 30732541), (701, 29680357), (4739, 4390363), (4907, 4240051), (6263, 3322039), (43841, 474577)]