20780051020

素因数分解:

$2^2\times 5^1\times {\mathrm{118297}}^1\times {\mathrm{8783}}^1$

素因数の和:127089

約数の個数: 24

約数和(自身を含む): 43643444544

約数和(自身を除く): 22863393524

約数列:

[1, 2, 4, 5, 10, 20, 8783, 17566, 35132, 43915, 87830, 118297, 175660, 236594, 473188, 591485, 1182970, 2365940, 1039002551, 2078005102, 4156010204, 5195012755, 10390025510, 20780051020]

約数ペア:

[(1, 20780051020), (2, 10390025510), (4, 5195012755), (5, 4156010204), (10, 2078005102), (20, 1039002551), (8783, 2365940), (17566, 1182970), (35132, 591485), (43915, 473188), (87830, 236594), (118297, 175660)]