20664008

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89069}}^1$

素因数の和:89104

約数の個数: 16

約数和(自身を含む): 40081500

約数和(自身を除く): 19417492

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 89069, 178138, 356276, 712552, 2583001, 5166002, 10332004, 20664008]

約数ペア:

[(1, 20664008), (2, 10332004), (4, 5166002), (8, 2583001), (29, 712552), (58, 356276), (116, 178138), (232, 89069)]