20121247788

素因数分解:

$2^2\times 3^1\times {\mathrm{2557}}^1\times {\mathrm{655757}}^1$

素因数の和:658321

約数の個数: 24

約数和(自身を含む): 46968010992

約数和(自身を除く): 26846763204

約数列:

[1, 2, 3, 4, 6, 12, 2557, 5114, 7671, 10228, 15342, 30684, 655757, 1311514, 1967271, 2623028, 3934542, 7869084, 1676770649, 3353541298, 5030311947, 6707082596, 10060623894, 20121247788]

約数ペア:

[(1, 20121247788), (2, 10060623894), (3, 6707082596), (4, 5030311947), (6, 3353541298), (12, 1676770649), (2557, 7869084), (5114, 3934542), (7671, 2623028), (10228, 1967271), (15342, 1311514), (30684, 655757)]