2019806540

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{419047}}^1$

素因数の和:419297

約数の個数: 24

約数和(自身を含む): 4259203872

約数和(自身を除く): 2239397332

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 419047, 838094, 1676188, 2095235, 4190470, 8380940, 100990327, 201980654, 403961308, 504951635, 1009903270, 2019806540]

約数ペア:

[(1, 2019806540), (2, 1009903270), (4, 504951635), (5, 403961308), (10, 201980654), (20, 100990327), (241, 8380940), (482, 4190470), (964, 2095235), (1205, 1676188), (2410, 838094), (4820, 419047)]