20468308

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23581}}^1$

素因数の和:23623

約数の個数: 24

約数和(自身を含む): 42258944

約数和(自身を除く): 21790636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23581, 47162, 94324, 165067, 330134, 660268, 731011, 1462022, 2924044, 5117077, 10234154, 20468308]

約数ペア:

[(1, 20468308), (2, 10234154), (4, 5117077), (7, 2924044), (14, 1462022), (28, 731011), (31, 660268), (62, 330134), (124, 165067), (217, 94324), (434, 47162), (868, 23581)]