20837697

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{541}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 28669632

約数和(自身を除く): 7831935

約数列:

[1, 3, 37, 111, 347, 541, 1041, 1623, 12839, 20017, 38517, 60051, 187727, 563181, 6945899, 20837697]

約数ペア:

[(1, 20837697), (3, 6945899), (37, 563181), (111, 187727), (347, 60051), (541, 38517), (1041, 20017), (1623, 12839)]