20210964452

素因数分解:

$2^2\times 7^1\times {\mathrm{721820159}}^1$

素因数の和:721820170

約数の個数: 12

約数和(自身を含む): 40421928960

約数和(自身を除く): 20210964508

約数列:

[1, 2, 4, 7, 14, 28, 721820159, 1443640318, 2887280636, 5052741113, 10105482226, 20210964452]

約数ペア:

[(1, 20210964452), (2, 10105482226), (4, 5052741113), (7, 2887280636), (14, 1443640318), (28, 721820159)]