20217507863

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4050793}}^1$

素因数の和:4050854

約数の個数: 16

約数和(自身を含む): 24888078336

約数和(自身を除く): 4670570473

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 4050793, 28355551, 93168239, 125574583, 652177673, 879022081, 2888215409, 20217507863]

約数ペア:

[(1, 20217507863), (7, 2888215409), (23, 879022081), (31, 652177673), (161, 125574583), (217, 93168239), (713, 28355551), (4991, 4050793)]