20006739

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3041}}^1$

素因数の和:3107

約数の個数: 24

約数和(自身を含む): 31320432

約数和(自身を除く): 11313693

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 3041, 6579, 9123, 27369, 51697, 130763, 155091, 392289, 465273, 1176867, 2222971, 6668913, 20006739]

約数ペア:

[(1, 20006739), (3, 6668913), (9, 2222971), (17, 1176867), (43, 465273), (51, 392289), (129, 155091), (153, 130763), (387, 51697), (731, 27369), (2193, 9123), (3041, 6579)]