20739528078

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5392493}}^1$

素因数の和:5393139

約数の個数: 16

約数和(自身を含む): 41543773776

約数和(自身を除く): 20804245698

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5392493, 10784986, 16177479, 32354958, 3456588013, 6913176026, 10369764039, 20739528078]

約数ペア:

[(1, 20739528078), (2, 10369764039), (3, 6913176026), (6, 3456588013), (641, 32354958), (1282, 16177479), (1923, 10784986), (3846, 5392493)]