20121880581

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1864691}}^1$

素因数の和:1864817

約数の個数: 24

約数和(自身を含む): 31998114720

約数和(自身を除く): 11876234139

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 981, 1199, 3597, 10791, 1864691, 5594073, 16782219, 20511601, 61534803, 184604409, 203251319, 609753957, 1829261871, 2235764509, 6707293527, 20121880581]

約数ペア:

[(1, 20121880581), (3, 6707293527), (9, 2235764509), (11, 1829261871), (33, 609753957), (99, 203251319), (109, 184604409), (327, 61534803), (981, 20511601), (1199, 16782219), (3597, 5594073), (10791, 1864691)]