20199985450

素因数分解:

$2^1\times 5^2\times {\mathrm{403999709}}^1$

素因数の和:403999721

約数の個数: 12

約数和(自身を含む): 37571973030

約数和(自身を除く): 17371987580

約数列:

[1, 2, 5, 10, 25, 50, 403999709, 807999418, 2019998545, 4039997090, 10099992725, 20199985450]

約数ペア:

[(1, 20199985450), (2, 10099992725), (5, 4039997090), (10, 2019998545), (25, 807999418), (50, 403999709)]