20830754

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2251}}^1$

素因数の和:2921

約数の個数: 16

約数和(自身を含む): 35779776

約数和(自身を除く): 14949022

約数列:

[1, 2, 7, 14, 661, 1322, 2251, 4502, 4627, 9254, 15757, 31514, 1487911, 2975822, 10415377, 20830754]

約数ペア:

[(1, 20830754), (2, 10415377), (7, 2975822), (14, 1487911), (661, 31514), (1322, 15757), (2251, 9254), (4502, 4627)]