20080460

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1453}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 42259056

約数和(自身を除く): 22178596

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 1453, 2764, 2906, 3455, 5812, 6910, 7265, 13820, 14530, 29060, 1004023, 2008046, 4016092, 5020115, 10040230, 20080460]

約数ペア:

[(1, 20080460), (2, 10040230), (4, 5020115), (5, 4016092), (10, 2008046), (20, 1004023), (691, 29060), (1382, 14530), (1453, 13820), (2764, 7265), (2906, 6910), (3455, 5812)]