20393914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4723}}^1$

素因数の和:4869

約数の個数: 16

約数和(自身を含む): 32652288

約数和(自身を除く): 12258374

約数列:

[1, 2, 17, 34, 127, 254, 2159, 4318, 4723, 9446, 80291, 160582, 599821, 1199642, 10196957, 20393914]

約数ペア:

[(1, 20393914), (2, 10196957), (17, 1199642), (34, 599821), (127, 160582), (254, 80291), (2159, 9446), (4318, 4723)]