20924211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 14096589

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 239, 379, 717, 1137, 1673, 2629, 2653, 4169, 5019, 7887, 7959, 12507, 18403, 29183, 55209, 87549, 90581, 271743, 634067, 996391, 1902201, 2989173, 6974737, 20924211]

約数ペア:

[(1, 20924211), (3, 6974737), (7, 2989173), (11, 1902201), (21, 996391), (33, 634067), (77, 271743), (231, 90581), (239, 87549), (379, 55209), (717, 29183), (1137, 18403), (1673, 12507), (2629, 7959), (2653, 7887), (4169, 5019)]