20322770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156329}}^1$

素因数の和:156349

約数の個数: 16

約数和(自身を含む): 39395160

約数和(自身を除く): 19072390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156329, 312658, 781645, 1563290, 2032277, 4064554, 10161385, 20322770]

約数ペア:

[(1, 20322770), (2, 10161385), (5, 4064554), (10, 2032277), (13, 1563290), (26, 781645), (65, 312658), (130, 156329)]