20743855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2753}}^1$

素因数の和:2906

約数の個数: 16

約数和(自身を含む): 27363744

約数和(自身を除く): 6619889

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2753, 7535, 13765, 30283, 151415, 377161, 1885805, 4148771, 20743855]

約数ペア:

[(1, 20743855), (5, 4148771), (11, 1885805), (55, 377161), (137, 151415), (685, 30283), (1507, 13765), (2753, 7535)]