20163371860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11327737}}^1$

素因数の和:11327835

約数の個数: 24

約数和(自身を含む): 42818849640

約数和(自身を除く): 22655477780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 11327737, 22655474, 45310948, 56638685, 113277370, 226554740, 1008168593, 2016337186, 4032674372, 5040842965, 10081685930, 20163371860]

約数ペア:

[(1, 20163371860), (2, 10081685930), (4, 5040842965), (5, 4032674372), (10, 2016337186), (20, 1008168593), (89, 226554740), (178, 113277370), (356, 56638685), (445, 45310948), (890, 22655474), (1780, 11327737)]