20428578

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{9227}}^1$

素因数の和:9279

約数の個数: 32

約数和(自身を含む): 46509120

約数和(自身を除く): 26080542

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 738, 1107, 2214, 9227, 18454, 27681, 55362, 83043, 166086, 249129, 378307, 498258, 756614, 1134921, 2269842, 3404763, 6809526, 10214289, 20428578]

約数ペア:

[(1, 20428578), (2, 10214289), (3, 6809526), (6, 3404763), (9, 2269842), (18, 1134921), (27, 756614), (41, 498258), (54, 378307), (82, 249129), (123, 166086), (246, 83043), (369, 55362), (738, 27681), (1107, 18454), (2214, 9227)]