20199394030

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3877043}}^1$

素因数の和:3877571

約数の個数: 16

約数和(自身を含む): 36428705424

約数和(自身を除く): 16229311394

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 3877043, 7754086, 19385215, 38770430, 2019939403, 4039878806, 10099697015, 20199394030]

約数ペア:

[(1, 20199394030), (2, 10099697015), (5, 4039878806), (10, 2019939403), (521, 38770430), (1042, 19385215), (2605, 7754086), (5210, 3877043)]