20538894

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{43331}}^1$

素因数の和:43415

約数の個数: 16

約数和(自身を含む): 41598720

約数和(自身を除く): 21059826

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 43331, 86662, 129993, 259986, 3423149, 6846298, 10269447, 20538894]

約数ペア:

[(1, 20538894), (2, 10269447), (3, 6846298), (6, 3423149), (79, 259986), (158, 129993), (237, 86662), (474, 43331)]