20727796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{599}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 16669004

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 599, 844, 1198, 2396, 8651, 17302, 24559, 34604, 49118, 98236, 126389, 252778, 505556, 5181949, 10363898, 20727796]

約数ペア:

[(1, 20727796), (2, 10363898), (4, 5181949), (41, 505556), (82, 252778), (164, 126389), (211, 98236), (422, 49118), (599, 34604), (844, 24559), (1198, 17302), (2396, 8651)]