20556723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36643}}^1$

素因数の和:36674

約数の個数: 16

約数和(自身を含む): 31660416

約数和(自身を除く): 11103693

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36643, 109929, 403073, 622931, 1209219, 1868793, 6852241, 20556723]

約数ペア:

[(1, 20556723), (3, 6852241), (11, 1868793), (17, 1209219), (33, 622931), (51, 403073), (187, 109929), (561, 36643)]