20187821953

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{2153}}^1$

素因数の和:2689

約数の個数: 32

約数和(自身を含む): 22928209920

約数和(自身を除く): 2740387967

約数列:

[1, 13, 31, 53, 403, 439, 689, 1643, 2153, 5707, 13609, 21359, 23267, 27989, 66743, 114109, 176917, 302471, 721277, 867659, 945167, 1483417, 3537379, 9376601, 12287171, 29300177, 45985927, 50093851, 380902301, 651220063, 1552909381, 20187821953]

約数ペア:

[(1, 20187821953), (13, 1552909381), (31, 651220063), (53, 380902301), (403, 50093851), (439, 45985927), (689, 29300177), (1643, 12287171), (2153, 9376601), (5707, 3537379), (13609, 1483417), (21359, 945167), (23267, 867659), (27989, 721277), (66743, 302471), (114109, 176917)]