20445595

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 25067520

約数和(自身を除く): 4621925

約数列:

[1, 5, 79, 191, 271, 395, 955, 1355, 15089, 21409, 51761, 75445, 107045, 258805, 4089119, 20445595]

約数ペア:

[(1, 20445595), (5, 4089119), (79, 258805), (191, 107045), (271, 75445), (395, 51761), (955, 21409), (1355, 15089)]