20906127

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 13688433

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1637, 4257, 4911, 12771, 14733, 18007, 44199, 54021, 70391, 162063, 211173, 486189, 633519, 774301, 1900557, 2322903, 6968709, 20906127]

約数ペア:

[(1, 20906127), (3, 6968709), (9, 2322903), (11, 1900557), (27, 774301), (33, 633519), (43, 486189), (99, 211173), (129, 162063), (297, 70391), (387, 54021), (473, 44199), (1161, 18007), (1419, 14733), (1637, 12771), (4257, 4911)]