20974611

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9697}}^1$

素因数の和:9810

約数の個数: 16

約数和(自身を含む): 32274944

約数和(自身を除く): 11300333

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9697, 29091, 67879, 203637, 998791, 2996373, 6991537, 20974611]

約数ペア:

[(1, 20974611), (3, 6991537), (7, 2996373), (21, 998791), (103, 203637), (309, 67879), (721, 29091), (2163, 9697)]