20206566064

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{1970219}}^1$

素因数の和:1970868

約数の個数: 20

約数和(自身を含む): 39211318440

約数和(自身を除く): 19004752376

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 1970219, 3940438, 7880876, 15761752, 31523504, 1262910379, 2525820758, 5051641516, 10103283032, 20206566064]

約数ペア:

[(1, 20206566064), (2, 10103283032), (4, 5051641516), (8, 2525820758), (16, 1262910379), (641, 31523504), (1282, 15761752), (2564, 7880876), (5128, 3940438), (10256, 1970219)]