20874952

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8669}}^1$

素因数の和:8725

約数の個数: 32

約数和(自身を含む): 45777600

約数和(自身を除く): 24902648

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8669, 17338, 34676, 60683, 69352, 121366, 242732, 372767, 485464, 745534, 1491068, 2609369, 2982136, 5218738, 10437476, 20874952]

約数ペア:

[(1, 20874952), (2, 10437476), (4, 5218738), (7, 2982136), (8, 2609369), (14, 1491068), (28, 745534), (43, 485464), (56, 372767), (86, 242732), (172, 121366), (301, 69352), (344, 60683), (602, 34676), (1204, 17338), (2408, 8669)]