20275890261

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{154727}}^1$

素因数の和:154790

約数の個数: 36

約数和(自身を含む): 31362127776

約数和(自身を除く): 11086237515

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 361, 363, 627, 1083, 2299, 3971, 6897, 11913, 43681, 131043, 154727, 464181, 1701997, 2939813, 5105991, 8819439, 18721967, 32337943, 55856447, 56165901, 97013829, 167569341, 355717373, 614420917, 1067152119, 1843262751, 6758630087, 20275890261]

約数ペア:

[(1, 20275890261), (3, 6758630087), (11, 1843262751), (19, 1067152119), (33, 614420917), (57, 355717373), (121, 167569341), (209, 97013829), (361, 56165901), (363, 55856447), (627, 32337943), (1083, 18721967), (2299, 8819439), (3971, 5105991), (6897, 2939813), (11913, 1701997), (43681, 464181), (131043, 154727)]