20803879

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 22790880

約数和(自身を除く): 1987001

約数列:

[1, 19, 37, 101, 293, 703, 1919, 3737, 5567, 10841, 29593, 71003, 205979, 562267, 1094941, 20803879]

約数ペア:

[(1, 20803879), (19, 1094941), (37, 562267), (101, 205979), (293, 71003), (703, 29593), (1919, 10841), (3737, 5567)]