20402085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2333}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 36298368

約数和(自身を除く): 15896283

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2333, 2915, 6999, 8745, 11665, 25663, 34995, 76989, 123649, 128315, 370947, 384945, 618245, 1360139, 1854735, 4080417, 6800695, 20402085]

約数ペア:

[(1, 20402085), (3, 6800695), (5, 4080417), (11, 1854735), (15, 1360139), (33, 618245), (53, 384945), (55, 370947), (159, 128315), (165, 123649), (265, 76989), (583, 34995), (795, 25663), (1749, 11665), (2333, 8745), (2915, 6999)]