20147046940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32495237}}^1$

素因数の和:32495277

約数の個数: 24

約数和(自身を含む): 43673599872

約数和(自身を除く): 23526552932

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32495237, 64990474, 129980948, 162476185, 324952370, 649904740, 1007352347, 2014704694, 4029409388, 5036761735, 10073523470, 20147046940]

約数ペア:

[(1, 20147046940), (2, 10073523470), (4, 5036761735), (5, 4029409388), (10, 2014704694), (20, 1007352347), (31, 649904740), (62, 324952370), (124, 162476185), (155, 129980948), (310, 64990474), (620, 32495237)]