20065409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 24810240

約数和(自身を除く): 4744831

約数列:

[1, 7, 13, 91, 311, 709, 2177, 4043, 4963, 9217, 28301, 64519, 220499, 1543493, 2866487, 20065409]

約数ペア:

[(1, 20065409), (7, 2866487), (13, 1543493), (91, 220499), (311, 64519), (709, 28301), (2177, 9217), (4043, 4963)]