20349987

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4159}}^1$

素因数の和:4402

約数の個数: 16

約数和(自身を含む): 31150080

約数和(自身を除く): 10800093

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4159, 4893, 12477, 29113, 87339, 969047, 2907141, 6783329, 20349987]

約数ペア:

[(1, 20349987), (3, 6783329), (7, 2907141), (21, 969047), (233, 87339), (699, 29113), (1631, 12477), (4159, 4893)]