20451381118

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{117779}}^1$

素因数の和:118024

約数の個数: 32

約数和(自身を含む): 35729740800

約数和(自身を除く): 15278359682

約数列:

[1, 2, 7, 14, 79, 157, 158, 314, 553, 1099, 1106, 2198, 12403, 24806, 86821, 117779, 173642, 235558, 824453, 1648906, 9304541, 18491303, 18609082, 36982606, 65131787, 129439121, 130263574, 258878242, 1460812937, 2921625874, 10225690559, 20451381118]

約数ペア:

[(1, 20451381118), (2, 10225690559), (7, 2921625874), (14, 1460812937), (79, 258878242), (157, 130263574), (158, 129439121), (314, 65131787), (553, 36982606), (1099, 18609082), (1106, 18491303), (2198, 9304541), (12403, 1648906), (24806, 824453), (86821, 235558), (117779, 173642)]