204320180

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{6397}}^1$

素因数の和:8003

約数の個数: 24

約数和(自身を含む): 429408168

約数和(自身を除く): 225087988

約数列:

[1, 2, 4, 5, 10, 20, 1597, 3194, 6388, 6397, 7985, 12794, 15970, 25588, 31940, 31985, 63970, 127940, 10216009, 20432018, 40864036, 51080045, 102160090, 204320180]

約数ペア:

[(1, 204320180), (2, 102160090), (4, 51080045), (5, 40864036), (10, 20432018), (20, 10216009), (1597, 127940), (3194, 63970), (6388, 31985), (6397, 31940), (7985, 25588), (12794, 15970)]