20286308

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 36

約数和(自身を含む): 41682816

約数和(自身を除く): 21396508

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 431, 574, 862, 1148, 1681, 1724, 3017, 3362, 6034, 6724, 11767, 12068, 17671, 23534, 35342, 47068, 70684, 123697, 247394, 494788, 724511, 1449022, 2898044, 5071577, 10143154, 20286308]

約数ペア:

[(1, 20286308), (2, 10143154), (4, 5071577), (7, 2898044), (14, 1449022), (28, 724511), (41, 494788), (82, 247394), (164, 123697), (287, 70684), (431, 47068), (574, 35342), (862, 23534), (1148, 17671), (1681, 12068), (1724, 11767), (3017, 6724), (3362, 6034)]