20676794

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:550

約数の個数: 24

約数和(自身を含む): 33421248

約数和(自身を除く): 12744454

約数列:

[1, 2, 17, 34, 83, 166, 289, 431, 578, 862, 1411, 2822, 7327, 14654, 23987, 35773, 47974, 71546, 124559, 249118, 608141, 1216282, 10338397, 20676794]

約数ペア:

[(1, 20676794), (2, 10338397), (17, 1216282), (34, 608141), (83, 249118), (166, 124559), (289, 71546), (431, 47974), (578, 35773), (862, 23987), (1411, 14654), (2822, 7327)]