2007220144

素因数分解:

$2^4\times {\mathrm{3109}}^1\times {\mathrm{40351}}^1$

素因数の和:43468

約数の個数: 20

約数和(自身を含む): 3890336320

約数和(自身を除く): 1883116176

約数列:

[1, 2, 4, 8, 16, 3109, 6218, 12436, 24872, 40351, 49744, 80702, 161404, 322808, 645616, 125451259, 250902518, 501805036, 1003610072, 2007220144]

約数ペア:

[(1, 2007220144), (2, 1003610072), (4, 501805036), (8, 250902518), (16, 125451259), (3109, 645616), (6218, 322808), (12436, 161404), (24872, 80702), (40351, 49744)]