20213530179

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 29177280000

約数和(自身を除く): 8963749821

約数列:

[1, 3, 17, 51, 107, 109, 289, 321, 327, 867, 1819, 1853, 1999, 5457, 5559, 5997, 11663, 30923, 31501, 33983, 34989, 92769, 94503, 101949, 198271, 213893, 217891, 577711, 594813, 641679, 653673, 1733133, 3370607, 3636181, 3704147, 10111821, 10908543, 11112441, 23314337, 61815077, 62970499, 69943011, 185445231, 188911497, 396343729, 1189031187, 6737843393, 20213530179]

約数ペア:

[(1, 20213530179), (3, 6737843393), (17, 1189031187), (51, 396343729), (107, 188911497), (109, 185445231), (289, 69943011), (321, 62970499), (327, 61815077), (867, 23314337), (1819, 11112441), (1853, 10908543), (1999, 10111821), (5457, 3704147), (5559, 3636181), (5997, 3370607), (11663, 1733133), (30923, 653673), (31501, 641679), (33983, 594813), (34989, 577711), (92769, 217891), (94503, 213893), (101949, 198271)]