20187155

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 24766560

約数和(自身を除く): 4579405

約数列:

[1, 5, 97, 107, 389, 485, 535, 1945, 10379, 37733, 41623, 51895, 188665, 208115, 4037431, 20187155]

約数ペア:

[(1, 20187155), (5, 4037431), (97, 208115), (107, 188665), (389, 51895), (485, 41623), (535, 37733), (1945, 10379)]