20203445

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 24857280

約数和(自身を除く): 4653835

約数列:

[1, 5, 83, 89, 415, 445, 547, 2735, 7387, 36935, 45401, 48683, 227005, 243415, 4040689, 20203445]

約数ペア:

[(1, 20203445), (5, 4040689), (83, 243415), (89, 227005), (415, 48683), (445, 45401), (547, 36935), (2735, 7387)]