20658862

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3331}}^1$

素因数の和:3783

約数の個数: 16

約数和(自身を含む): 35505792

約数和(自身を除く): 14846930

約数列:

[1, 2, 7, 14, 443, 886, 3101, 3331, 6202, 6662, 23317, 46634, 1475633, 2951266, 10329431, 20658862]

約数ペア:

[(1, 20658862), (2, 10329431), (7, 2951266), (14, 1475633), (443, 46634), (886, 23317), (3101, 6662), (3331, 6202)]