20003780

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3803}}^1$

素因数の和:4075

約数の個数: 24

約数和(自身を含む): 42178752

約数和(自身を除く): 22174972

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3803, 5260, 7606, 15212, 19015, 38030, 76060, 1000189, 2000378, 4000756, 5000945, 10001890, 20003780]

約数ペア:

[(1, 20003780), (2, 10001890), (4, 5000945), (5, 4000756), (10, 2000378), (20, 1000189), (263, 76060), (526, 38030), (1052, 19015), (1315, 15212), (2630, 7606), (3803, 5260)]