20711559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36919}}^1$

素因数の和:36950

約数の個数: 16

約数和(自身を含む): 31898880

約数和(自身を除く): 11187321

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36919, 110757, 406109, 627623, 1218327, 1882869, 6903853, 20711559]

約数ペア:

[(1, 20711559), (3, 6903853), (11, 1882869), (17, 1218327), (33, 627623), (51, 406109), (187, 110757), (561, 36919)]