20955208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1867}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 41693760

約数和(自身を除く): 20738552

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1867, 2806, 3734, 5612, 7468, 11224, 14936, 42941, 85882, 113887, 171764, 227774, 343528, 455548, 911096, 2619401, 5238802, 10477604, 20955208]

約数ペア:

[(1, 20955208), (2, 10477604), (4, 5238802), (8, 2619401), (23, 911096), (46, 455548), (61, 343528), (92, 227774), (122, 171764), (184, 113887), (244, 85882), (488, 42941), (1403, 14936), (1867, 11224), (2806, 7468), (3734, 5612)]