20199071020

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{523021}}^1$

素因数の和:524961

約数の個数: 24

約数和(自身を含む): 42440097168

約数和(自身を除く): 22241026148

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 7724, 9655, 19310, 38620, 523021, 1046042, 2092084, 2615105, 5230210, 10460420, 1009953551, 2019907102, 4039814204, 5049767755, 10099535510, 20199071020]

約数ペア:

[(1, 20199071020), (2, 10099535510), (4, 5049767755), (5, 4039814204), (10, 2019907102), (20, 1009953551), (1931, 10460420), (3862, 5230210), (7724, 2615105), (9655, 2092084), (19310, 1046042), (38620, 523021)]