2028940

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 4289040

約数和(自身を除く): 2260100

約数列:

[1, 2, 4, 5, 10, 20, 229, 443, 458, 886, 916, 1145, 1772, 2215, 2290, 4430, 4580, 8860, 101447, 202894, 405788, 507235, 1014470, 2028940]

約数ペア:

[(1, 2028940), (2, 1014470), (4, 507235), (5, 405788), (10, 202894), (20, 101447), (229, 8860), (443, 4580), (458, 4430), (886, 2290), (916, 2215), (1145, 1772)]