20910945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126733}}^1$

素因数の和:126752

約数の個数: 16

約数和(自身を含む): 36499392

約数和(自身を除く): 15588447

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126733, 380199, 633665, 1394063, 1900995, 4182189, 6970315, 20910945]

約数ペア:

[(1, 20910945), (3, 6970315), (5, 4182189), (11, 1900995), (15, 1394063), (33, 633665), (55, 380199), (165, 126733)]