20565659901

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1\times {\mathrm{264977}}^1$

素因数の和:265652

約数の個数: 16

約数和(自身を含む): 28134304128

約数和(自身を除く): 7568644227

約数列:

[1, 3, 41, 123, 631, 1893, 25871, 77613, 264977, 794931, 10864057, 32592171, 167200487, 501601461, 6855219967, 20565659901]

約数ペア:

[(1, 20565659901), (3, 6855219967), (41, 501601461), (123, 167200487), (631, 32592171), (1893, 10864057), (25871, 794931), (77613, 264977)]