20154481155

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2927303}}^1$

素因数の和:2927337

約数の個数: 40

約数和(自身を含む): 38254008672

約数和(自身を除く): 18099527517

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 2927303, 8781909, 14636515, 26345727, 43909545, 49764151, 79037181, 131728635, 149292453, 237111543, 248820755, 395185905, 447877359, 746462265, 1185557715, 1343632077, 2239386795, 4030896231, 6718160385, 20154481155]

約数ペア:

[(1, 20154481155), (3, 6718160385), (5, 4030896231), (9, 2239386795), (15, 1343632077), (17, 1185557715), (27, 746462265), (45, 447877359), (51, 395185905), (81, 248820755), (85, 237111543), (135, 149292453), (153, 131728635), (255, 79037181), (405, 49764151), (459, 43909545), (765, 26345727), (1377, 14636515), (2295, 8781909), (6885, 2927303)]