20531693

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5503}}^1$

素因数の和:5564

約数の個数: 16

約数和(自身を含む): 25890816

約数和(自身を除く): 5359123

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5503, 38521, 71539, 225623, 500773, 1579361, 2933099, 20531693]

約数ペア:

[(1, 20531693), (7, 2933099), (13, 1579361), (41, 500773), (91, 225623), (287, 71539), (533, 38521), (3731, 5503)]