20787042

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47459}}^1$

素因数の和:47537

約数の個数: 16

約数和(自身を含む): 42144480

約数和(自身を除く): 21357438

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47459, 94918, 142377, 284754, 3464507, 6929014, 10393521, 20787042]

約数ペア:

[(1, 20787042), (2, 10393521), (3, 6929014), (6, 3464507), (73, 284754), (146, 142377), (219, 94918), (438, 47459)]