20674540

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9661}}^1$

素因数の和:9777

約数の個数: 24

約数和(自身を含む): 43826832

約数和(自身を除く): 23152292

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9661, 19322, 38644, 48305, 96610, 193220, 1033727, 2067454, 4134908, 5168635, 10337270, 20674540]

約数ペア:

[(1, 20674540), (2, 10337270), (4, 5168635), (5, 4134908), (10, 2067454), (20, 1033727), (107, 193220), (214, 96610), (428, 48305), (535, 38644), (1070, 19322), (2140, 9661)]