20269473

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9371}}^1$

素因数の和:9484

約数の個数: 16

約数和(自身を含む): 31190016

約数和(自身を除く): 10920543

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9371, 28113, 65597, 196791, 965213, 2895639, 6756491, 20269473]

約数ペア:

[(1, 20269473), (3, 6756491), (7, 2895639), (21, 965213), (103, 196791), (309, 65597), (721, 28113), (2163, 9371)]