20818013

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2821027

約数列:

[1, 17, 23, 37, 391, 629, 851, 1439, 14467, 24463, 33097, 53243, 562649, 905131, 1224589, 20818013]

約数ペア:

[(1, 20818013), (17, 1224589), (23, 905131), (37, 562649), (391, 53243), (629, 33097), (851, 24463), (1439, 14467)]