20101598740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1\times {\mathrm{24391}}^1$

素因数の和:24952

約数の個数: 48

約数和(自身を含む): 42781616640

約数和(自身を除く): 22680017900

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 463, 890, 926, 1780, 1852, 2315, 4630, 9260, 24391, 41207, 48782, 82414, 97564, 121955, 164828, 206035, 243910, 412070, 487820, 824140, 2170799, 4341598, 8683196, 10853995, 11293033, 21707990, 22586066, 43415980, 45172132, 56465165, 112930330, 225860660, 1005079937, 2010159874, 4020319748, 5025399685, 10050799370, 20101598740]

約数ペア:

[(1, 20101598740), (2, 10050799370), (4, 5025399685), (5, 4020319748), (10, 2010159874), (20, 1005079937), (89, 225860660), (178, 112930330), (356, 56465165), (445, 45172132), (463, 43415980), (890, 22586066), (926, 21707990), (1780, 11293033), (1852, 10853995), (2315, 8683196), (4630, 4341598), (9260, 2170799), (24391, 824140), (41207, 487820), (48782, 412070), (82414, 243910), (97564, 206035), (121955, 164828)]