20384547

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2647}}^1$

素因数の和:2818

約数の個数: 16

約数和(自身を含む): 28979712

約数和(自身を除く): 8595165

約数列:

[1, 3, 17, 51, 151, 453, 2567, 2647, 7701, 7941, 44999, 134997, 399697, 1199091, 6794849, 20384547]

約数ペア:

[(1, 20384547), (3, 6794849), (17, 1199091), (51, 399697), (151, 134997), (453, 44999), (2567, 7941), (2647, 7701)]