20672008

素因数分解:

$2^3\times 7^1\times {\mathrm{369143}}^1$

素因数の和:369156

約数の個数: 16

約数和(自身を含む): 44297280

約数和(自身を除く): 23625272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 369143, 738286, 1476572, 2584001, 2953144, 5168002, 10336004, 20672008]

約数ペア:

[(1, 20672008), (2, 10336004), (4, 5168002), (7, 2953144), (8, 2584001), (14, 1476572), (28, 738286), (56, 369143)]