20195940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{336599}}^1$

素因数の和:336611

約数の個数: 24

約数和(自身を含む): 56548800

約数和(自身を除く): 36352860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 336599, 673198, 1009797, 1346396, 1682995, 2019594, 3365990, 4039188, 5048985, 6731980, 10097970, 20195940]

約数ペア:

[(1, 20195940), (2, 10097970), (3, 6731980), (4, 5048985), (5, 4039188), (6, 3365990), (10, 2019594), (12, 1682995), (15, 1346396), (20, 1009797), (30, 673198), (60, 336599)]