20228691

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56663}}^1$

素因数の和:56690

約数の個数: 16

約数和(自身を含む): 32638464

約数和(自身を除く): 12409773

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56663, 169989, 396641, 963271, 1189923, 2889813, 6742897, 20228691]

約数ペア:

[(1, 20228691), (3, 6742897), (7, 2889813), (17, 1189923), (21, 963271), (51, 396641), (119, 169989), (357, 56663)]