20405697

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2711}}^1$

素因数の和:2920

約数の個数: 16

約数和(自身を含む): 29463168

約数和(自身を除く): 9057471

約数列:

[1, 3, 13, 39, 193, 579, 2509, 2711, 7527, 8133, 35243, 105729, 523223, 1569669, 6801899, 20405697]

約数ペア:

[(1, 20405697), (3, 6801899), (13, 1569669), (39, 523223), (193, 105729), (579, 35243), (2509, 8133), (2711, 7527)]