20113443

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 35006400

約数和(自身を除く): 14892957

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 101, 109, 203, 261, 303, 327, 609, 707, 763, 909, 981, 1827, 2121, 2289, 2929, 3161, 6363, 6867, 8787, 9483, 11009, 20503, 22127, 26361, 28449, 33027, 61509, 66381, 77063, 99081, 184527, 199143, 231189, 319261, 693567, 957783, 2234827, 2873349, 6704481, 20113443]

約数ペア:

[(1, 20113443), (3, 6704481), (7, 2873349), (9, 2234827), (21, 957783), (29, 693567), (63, 319261), (87, 231189), (101, 199143), (109, 184527), (203, 99081), (261, 77063), (303, 66381), (327, 61509), (609, 33027), (707, 28449), (763, 26361), (909, 22127), (981, 20503), (1827, 11009), (2121, 9483), (2289, 8787), (2929, 6867), (3161, 6363)]