20990562

素因数分解:

$2^1\times 3^1\times {\mathrm{431}}^1\times {\mathrm{8117}}^1$

素因数の和:8553

約数の個数: 16

約数和(自身を含む): 42083712

約数和(自身を除く): 21093150

約数列:

[1, 2, 3, 6, 431, 862, 1293, 2586, 8117, 16234, 24351, 48702, 3498427, 6996854, 10495281, 20990562]

約数ペア:

[(1, 20990562), (2, 10495281), (3, 6996854), (6, 3498427), (431, 48702), (862, 24351), (1293, 16234), (2586, 8117)]