20831655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 36114624

約数和(自身を除く): 15282969

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 317, 337, 951, 1011, 1585, 1685, 4121, 4381, 4755, 5055, 12363, 13143, 20605, 21905, 61815, 65715, 106829, 320487, 534145, 1388777, 1602435, 4166331, 6943885, 20831655]

約数ペア:

[(1, 20831655), (3, 6943885), (5, 4166331), (13, 1602435), (15, 1388777), (39, 534145), (65, 320487), (195, 106829), (317, 65715), (337, 61815), (951, 21905), (1011, 20605), (1585, 13143), (1685, 12363), (4121, 5055), (4381, 4755)]