20980026

素因数分解:

$2^1\times 3^3\times {\mathrm{388519}}^1$

素因数の和:388530

約数の個数: 16

約数和(自身を含む): 46622400

約数和(自身を除く): 25642374

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 388519, 777038, 1165557, 2331114, 3496671, 6993342, 10490013, 20980026]

約数ペア:

[(1, 20980026), (2, 10490013), (3, 6993342), (6, 3496671), (9, 2331114), (18, 1165557), (27, 777038), (54, 388519)]