20596688

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1063}}^1$

素因数の和:1251

約数の個数: 40

約数和(自身を含む): 45913728

約数和(自身を除く): 25317040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 1063, 1211, 1384, 2126, 2422, 2768, 4252, 4844, 7441, 8504, 9688, 14882, 17008, 19376, 29764, 59528, 119056, 183899, 367798, 735596, 1287293, 1471192, 2574586, 2942384, 5149172, 10298344, 20596688]

約数ペア:

[(1, 20596688), (2, 10298344), (4, 5149172), (7, 2942384), (8, 2574586), (14, 1471192), (16, 1287293), (28, 735596), (56, 367798), (112, 183899), (173, 119056), (346, 59528), (692, 29764), (1063, 19376), (1211, 17008), (1384, 14882), (2126, 9688), (2422, 8504), (2768, 7441), (4252, 4844)]