20443479

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15959}}^1$

素因数の和:16030

約数の個数: 16

約数和(自身を含む): 31664640

約数和(自身を除く): 11221161

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15959, 47877, 111713, 335139, 973499, 2920497, 6814493, 20443479]

約数ペア:

[(1, 20443479), (3, 6814493), (7, 2920497), (21, 973499), (61, 335139), (183, 111713), (427, 47877), (1281, 15959)]