20335311

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 30588480

約数和(自身を除く): 10253169

約数列:

[1, 3, 9, 37, 79, 111, 237, 333, 711, 773, 2319, 2923, 6957, 8769, 26307, 28601, 61067, 85803, 183201, 257409, 549603, 2259479, 6778437, 20335311]

約数ペア:

[(1, 20335311), (3, 6778437), (9, 2259479), (37, 549603), (79, 257409), (111, 183201), (237, 85803), (333, 61067), (711, 28601), (773, 26307), (2319, 8769), (2923, 6957)]