20937190

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 39299904

約数和(自身を除く): 18362714

約数列:

[1, 2, 5, 10, 37, 71, 74, 142, 185, 355, 370, 710, 797, 1594, 2627, 3985, 5254, 7970, 13135, 26270, 29489, 56587, 58978, 113174, 147445, 282935, 294890, 565870, 2093719, 4187438, 10468595, 20937190]

約数ペア:

[(1, 20937190), (2, 10468595), (5, 4187438), (10, 2093719), (37, 565870), (71, 294890), (74, 282935), (142, 147445), (185, 113174), (355, 58978), (370, 56587), (710, 29489), (797, 26270), (1594, 13135), (2627, 7970), (3985, 5254)]