20906073

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 12801447

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 333, 459, 629, 999, 1231, 1887, 3693, 5661, 11079, 16983, 20927, 33237, 45547, 62781, 136641, 188343, 409923, 565029, 774299, 1229769, 2322897, 6968691, 20906073]

約数ペア:

[(1, 20906073), (3, 6968691), (9, 2322897), (17, 1229769), (27, 774299), (37, 565029), (51, 409923), (111, 188343), (153, 136641), (333, 62781), (459, 45547), (629, 33237), (999, 20927), (1231, 16983), (1887, 11079), (3693, 5661)]