20201993781

素因数分解:

$3^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1\times {\mathrm{76873}}^1$

素因数の和:77476

約数の個数: 16

約数和(自身を含む): 27121147200

約数和(自身を除く): 6919153419

約数列:

[1, 3, 251, 349, 753, 1047, 76873, 87599, 230619, 262797, 19295123, 26828677, 57885369, 80486031, 6733997927, 20201993781]

約数ペア:

[(1, 20201993781), (3, 6733997927), (251, 80486031), (349, 57885369), (753, 26828677), (1047, 19295123), (76873, 262797), (87599, 230619)]