20542078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5573}}^1$

素因数の和:5691

約数の個数: 16

約数和(自身を含む): 32775120

約数和(自身を除く): 12233042

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 5573, 11146, 105887, 211774, 540581, 1081162, 10271039, 20542078]

約数ペア:

[(1, 20542078), (2, 10271039), (19, 1081162), (38, 540581), (97, 211774), (194, 105887), (1843, 11146), (3686, 5573)]