20914683

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7597317

約数列:

[1, 3, 71, 149, 213, 447, 659, 1977, 10579, 31737, 46789, 98191, 140367, 294573, 6971561, 20914683]

約数ペア:

[(1, 20914683), (3, 6971561), (71, 294573), (149, 140367), (213, 98191), (447, 46789), (659, 31737), (1977, 10579)]