20855528048

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3692551}}^1$

素因数の和:3692912

約数の個数: 20

約数和(自身を含む): 40522065648

約数和(自身を除く): 19666537600

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 3692551, 7385102, 14770204, 29540408, 59080816, 1303470503, 2606941006, 5213882012, 10427764024, 20855528048]

約数ペア:

[(1, 20855528048), (2, 10427764024), (4, 5213882012), (8, 2606941006), (16, 1303470503), (353, 59080816), (706, 29540408), (1412, 14770204), (2824, 7385102), (5648, 3692551)]