20139063

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25919}}^1$

素因数の和:25966

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 11379657

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25919, 77757, 181433, 544299, 959003, 2877009, 6713021, 20139063]

約数ペア:

[(1, 20139063), (3, 6713021), (7, 2877009), (21, 959003), (37, 544299), (111, 181433), (259, 77757), (777, 25919)]