20781678722

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{34521061}}^1$

素因数の和:34521113

約数の個数: 16

約数和(自身を含む): 36454241472

約数和(自身を除く): 15672562750

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 34521061, 69042122, 241647427, 483294854, 1484405623, 2968811246, 10390839361, 20781678722]

約数ペア:

[(1, 20781678722), (2, 10390839361), (7, 2968811246), (14, 1484405623), (43, 483294854), (86, 241647427), (301, 69042122), (602, 34521061)]