20589387

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1423}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 34449408

約数和(自身を除く): 13860021

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 1423, 2067, 4269, 4823, 9961, 14469, 18499, 29883, 55497, 75419, 129493, 226257, 388479, 527933, 980447, 1583799, 2941341, 6863129, 20589387]

約数ペア:

[(1, 20589387), (3, 6863129), (7, 2941341), (13, 1583799), (21, 980447), (39, 527933), (53, 388479), (91, 226257), (159, 129493), (273, 75419), (371, 55497), (689, 29883), (1113, 18499), (1423, 14469), (2067, 9961), (4269, 4823)]