20593840

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1879}}^1$

素因数の和:2029

約数の個数: 40

約数和(自身を含む): 48255840

約数和(自身を除く): 27662000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 1879, 2192, 2740, 3758, 5480, 7516, 9395, 10960, 15032, 18790, 30064, 37580, 75160, 150320, 257423, 514846, 1029692, 1287115, 2059384, 2574230, 4118768, 5148460, 10296920, 20593840]

約数ペア:

[(1, 20593840), (2, 10296920), (4, 5148460), (5, 4118768), (8, 2574230), (10, 2059384), (16, 1287115), (20, 1029692), (40, 514846), (80, 257423), (137, 150320), (274, 75160), (548, 37580), (685, 30064), (1096, 18790), (1370, 15032), (1879, 10960), (2192, 9395), (2740, 7516), (3758, 5480)]