20427363

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 33369600

約数和(自身を除く): 12942237

約数列:

[1, 3, 9, 11, 27, 33, 99, 109, 297, 327, 631, 981, 1199, 1893, 2943, 3597, 5679, 6941, 10791, 17037, 20823, 32373, 62469, 68779, 187407, 206337, 619011, 756569, 1857033, 2269707, 6809121, 20427363]

約数ペア:

[(1, 20427363), (3, 6809121), (9, 2269707), (11, 1857033), (27, 756569), (33, 619011), (99, 206337), (109, 187407), (297, 68779), (327, 62469), (631, 32373), (981, 20823), (1199, 17037), (1893, 10791), (2943, 6941), (3597, 5679)]