20137736835

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{974957}}^1$

素因数の和:974994

約数の個数: 48

約数和(自身を含む): 38327548896

約数和(自身を除く): 18189812061

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 1215, 1377, 2295, 4131, 6885, 20655, 974957, 2924871, 4874785, 8774613, 14624355, 16574269, 26323839, 43873065, 49722807, 78971517, 82871345, 131619195, 149168421, 236914551, 248614035, 394857585, 447505263, 745842105, 1184572755, 1342515789, 2237526315, 4027547367, 6712578945, 20137736835]

約数ペア:

[(1, 20137736835), (3, 6712578945), (5, 4027547367), (9, 2237526315), (15, 1342515789), (17, 1184572755), (27, 745842105), (45, 447505263), (51, 394857585), (81, 248614035), (85, 236914551), (135, 149168421), (153, 131619195), (243, 82871345), (255, 78971517), (405, 49722807), (459, 43873065), (765, 26323839), (1215, 16574269), (1377, 14624355), (2295, 8774613), (4131, 4874785), (6885, 2924871), (20655, 974957)]