20510168

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8933}}^1$

素因数の和:8987

約数の個数: 32

約数和(自身を含む): 45027360

約数和(自身を除く): 24517192

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8933, 17866, 35732, 62531, 71464, 125062, 250124, 366253, 500248, 732506, 1465012, 2563771, 2930024, 5127542, 10255084, 20510168]

約数ペア:

[(1, 20510168), (2, 10255084), (4, 5127542), (7, 2930024), (8, 2563771), (14, 1465012), (28, 732506), (41, 500248), (56, 366253), (82, 250124), (164, 125062), (287, 71464), (328, 62531), (574, 35732), (1148, 17866), (2296, 8933)]