20683047

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12791}}^1$

素因数の和:12819

約数の個数: 24

約数和(自身を含む): 34998912

約数和(自身を除く): 14315865

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12791, 38373, 89537, 140701, 268611, 422103, 626759, 984907, 1880277, 2954721, 6894349, 20683047]

約数ペア:

[(1, 20683047), (3, 6894349), (7, 2954721), (11, 1880277), (21, 984907), (33, 626759), (49, 422103), (77, 268611), (147, 140701), (231, 89537), (539, 38373), (1617, 12791)]