12722020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33479}}^1$

素因数の和:33507

約数の個数: 24

約数和(自身を含む): 28123200

約数和(自身を除く): 15401180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 33479, 66958, 133916, 167395, 334790, 636101, 669580, 1272202, 2544404, 3180505, 6361010, 12722020]

約数ペア:

[(1, 12722020), (2, 6361010), (4, 3180505), (5, 2544404), (10, 1272202), (19, 669580), (20, 636101), (38, 334790), (76, 167395), (95, 133916), (190, 66958), (380, 33479)]