20395705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3823}}^1$

素因数の和:3936

約数の個数: 16

約数和(自身を含む): 26982144

約数和(自身を除く): 6586439

約数列:

[1, 5, 11, 55, 97, 485, 1067, 3823, 5335, 19115, 42053, 210265, 370831, 1854155, 4079141, 20395705]

約数ペア:

[(1, 20395705), (5, 4079141), (11, 1854155), (55, 370831), (97, 210265), (485, 42053), (1067, 19115), (3823, 5335)]