20394169

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 23075712

約数和(自身を除く): 2681543

約数列:

[1, 17, 23, 43, 391, 731, 989, 1213, 16813, 20621, 27899, 52159, 474283, 886703, 1199657, 20394169]

約数ペア:

[(1, 20394169), (17, 1199657), (23, 886703), (43, 474283), (391, 52159), (731, 27899), (989, 20621), (1213, 16813)]