2020020788

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{419}}^1\times {\mathrm{17989}}^1$

素因数の和:18479

約数の個数: 24

約数和(自身を含む): 3596560800

約数和(自身を除く): 1576540012

約数列:

[1, 2, 4, 67, 134, 268, 419, 838, 1676, 17989, 28073, 35978, 56146, 71956, 112292, 1205263, 2410526, 4821052, 7537391, 15074782, 30149564, 505005197, 1010010394, 2020020788]

約数ペア:

[(1, 2020020788), (2, 1010010394), (4, 505005197), (67, 30149564), (134, 15074782), (268, 7537391), (419, 4821052), (838, 2410526), (1676, 1205263), (17989, 112292), (28073, 71956), (35978, 56146)]