20197780910

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4113601}}^1$

素因数の和:4114099

約数の個数: 16

約数和(自身を含む): 36430059312

約数和(自身を除く): 16232278402

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 4113601, 8227202, 20568005, 41136010, 2019778091, 4039556182, 10098890455, 20197780910]

約数ペア:

[(1, 20197780910), (2, 10098890455), (5, 4039556182), (10, 2019778091), (491, 41136010), (982, 20568005), (2455, 8227202), (4910, 4113601)]