16720831437

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1669}}^1\times {\mathrm{1733}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 23351569920

約数和(自身を除く): 6630738483

約数列:

[1, 3, 41, 47, 123, 141, 1669, 1733, 1927, 5007, 5199, 5781, 68429, 71053, 78443, 81451, 205287, 213159, 235329, 244353, 2892377, 3216163, 3339491, 8677131, 9648489, 10018473, 118587457, 135941719, 355762371, 407825157, 5573610479, 16720831437]

約数ペア:

[(1, 16720831437), (3, 5573610479), (41, 407825157), (47, 355762371), (123, 135941719), (141, 118587457), (1669, 10018473), (1733, 9648489), (1927, 8677131), (5007, 3339491), (5199, 3216163), (5781, 2892377), (68429, 244353), (71053, 235329), (78443, 213159), (81451, 205287)]