20667886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19609}}^1$

素因数の和:19659

約数の個数: 16

約数和(自身を含む): 33886080

約数和(自身を除く): 13218194

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 19609, 39218, 333353, 607879, 666706, 1215758, 10333943, 20667886]

約数ペア:

[(1, 20667886), (2, 10333943), (17, 1215758), (31, 666706), (34, 607879), (62, 333353), (527, 39218), (1054, 19609)]