20423766

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27476394

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 109, 167, 187, 218, 327, 334, 374, 501, 561, 654, 1002, 1122, 1199, 1837, 1853, 2398, 2839, 3597, 3674, 3706, 5511, 5559, 5678, 7194, 8517, 11022, 11118, 17034, 18203, 20383, 31229, 36406, 40766, 54609, 61149, 62458, 93687, 109218, 122298, 187374, 200233, 309451, 400466, 600699, 618902, 928353, 1201398, 1856706, 3403961, 6807922, 10211883, 20423766]

約数ペア:

[(1, 20423766), (2, 10211883), (3, 6807922), (6, 3403961), (11, 1856706), (17, 1201398), (22, 928353), (33, 618902), (34, 600699), (51, 400466), (66, 309451), (102, 200233), (109, 187374), (167, 122298), (187, 109218), (218, 93687), (327, 62458), (334, 61149), (374, 54609), (501, 40766), (561, 36406), (654, 31229), (1002, 20383), (1122, 18203), (1199, 17034), (1837, 11118), (1853, 11022), (2398, 8517), (2839, 7194), (3597, 5678), (3674, 5559), (3706, 5511)]