20471703

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5051}}^1$

素因数の和:5254

約数の個数: 16

約数和(自身を含む): 31362816

約数和(自身を除く): 10891113

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 5051, 15153, 35357, 106071, 974843, 2924529, 6823901, 20471703]

約数ペア:

[(1, 20471703), (3, 6823901), (7, 2924529), (21, 974843), (193, 106071), (579, 35357), (1351, 15153), (4053, 5051)]