216047660

素因数分解:

$2^2\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{6079}}^1$

素因数の和:7865

約数の個数: 24

約数和(自身を含む): 454030080

約数和(自身を除く): 237982420

約数列:

[1, 2, 4, 5, 10, 20, 1777, 3554, 6079, 7108, 8885, 12158, 17770, 24316, 30395, 35540, 60790, 121580, 10802383, 21604766, 43209532, 54011915, 108023830, 216047660]

約数ペア:

[(1, 216047660), (2, 108023830), (4, 54011915), (5, 43209532), (10, 21604766), (20, 10802383), (1777, 121580), (3554, 60790), (6079, 35540), (7108, 30395), (8885, 24316), (12158, 17770)]