20353795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11164925

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 1823, 2233, 9115, 11165, 12761, 20053, 52867, 63805, 100265, 140371, 264335, 370069, 581537, 701855, 1850345, 2907685, 4070759, 20353795]

約数ペア:

[(1, 20353795), (5, 4070759), (7, 2907685), (11, 1850345), (29, 701855), (35, 581537), (55, 370069), (77, 264335), (145, 140371), (203, 100265), (319, 63805), (385, 52867), (1015, 20053), (1595, 12761), (1823, 11165), (2233, 9115)]