20835878

素因数分解:

$2^1\times 7^4\times {\mathrm{4339}}^1$

素因数の和:4369

約数の個数: 20

約数和(自身を含む): 36469020

約数和(自身を除く): 15633142

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4339, 4802, 8678, 30373, 60746, 212611, 425222, 1488277, 2976554, 10417939, 20835878]

約数ペア:

[(1, 20835878), (2, 10417939), (7, 2976554), (14, 1488277), (49, 425222), (98, 212611), (343, 60746), (686, 30373), (2401, 8678), (4339, 4802)]