20197780713

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{36833}}^1$

素因数の和:37070

約数の個数: 48

約数和(自身を含む): 33097559040

約数和(自身を除く): 12899778327

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 191, 261, 319, 573, 957, 1719, 2101, 2871, 5539, 6303, 16617, 18909, 36833, 49851, 60929, 110499, 182787, 331497, 405163, 548361, 1068157, 1215489, 3204471, 3646467, 7035103, 9613413, 11749727, 21105309, 35249181, 63315927, 77386133, 105747543, 204017987, 232158399, 612053961, 696475197, 1836161883, 2244197857, 6732593571, 20197780713]

約数ペア:

[(1, 20197780713), (3, 6732593571), (9, 2244197857), (11, 1836161883), (29, 696475197), (33, 612053961), (87, 232158399), (99, 204017987), (191, 105747543), (261, 77386133), (319, 63315927), (573, 35249181), (957, 21105309), (1719, 11749727), (2101, 9613413), (2871, 7035103), (5539, 3646467), (6303, 3204471), (16617, 1215489), (18909, 1068157), (36833, 548361), (49851, 405163), (60929, 331497), (110499, 182787)]