20151879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1951}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 29420544

約数和(自身を除く): 9268665

約数列:

[1, 3, 11, 33, 313, 939, 1951, 3443, 5853, 10329, 21461, 64383, 610663, 1831989, 6717293, 20151879]

約数ペア:

[(1, 20151879), (3, 6717293), (11, 1831989), (33, 610663), (313, 64383), (939, 21461), (1951, 10329), (3443, 5853)]