20199821257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5581603}}^1$

素因数の和:5581668

約数の個数: 16

約数和(自身を含む): 25720031232

約数和(自身を除く): 5520209975

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5581603, 39071221, 61397633, 262335341, 429783431, 1836347387, 2885688751, 20199821257]

約数ペア:

[(1, 20199821257), (7, 2885688751), (11, 1836347387), (47, 429783431), (77, 262335341), (329, 61397633), (517, 39071221), (3619, 5581603)]