20604955

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13691}}^1$

素因数の和:13746

約数の個数: 16

約数和(自身を含む): 28917504

約数和(自身を除く): 8312549

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 13691, 68455, 95837, 479185, 588713, 2943565, 4120991, 20604955]

約数ペア:

[(1, 20604955), (5, 4120991), (7, 2943565), (35, 588713), (43, 479185), (215, 95837), (301, 68455), (1505, 13691)]