20445426

素因数分解:

$2^1\times 3^3\times {\mathrm{378619}}^1$

素因数の和:378630

約数の個数: 16

約数和(自身を含む): 45434400

約数和(自身を除く): 24988974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 378619, 757238, 1135857, 2271714, 3407571, 6815142, 10222713, 20445426]

約数ペア:

[(1, 20445426), (2, 10222713), (3, 6815142), (6, 3407571), (9, 2271714), (18, 1135857), (27, 757238), (54, 378619)]