20406783

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{3541}}^1$

素因数の和:3674

約数の個数: 16

約数和(自身を含む): 29072736

約数和(自身を除く): 8665953

約数列:

[1, 3, 17, 51, 113, 339, 1921, 3541, 5763, 10623, 60197, 180591, 400133, 1200399, 6802261, 20406783]

約数ペア:

[(1, 20406783), (3, 6802261), (17, 1200399), (51, 400133), (113, 180591), (339, 60197), (1921, 10623), (3541, 5763)]