20508824

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15923}}^1$

素因数の和:15959

約数の個数: 32

約数和(自身を含む): 45861120

約数和(自身を除く): 25352296

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15923, 31846, 63692, 111461, 127384, 222922, 366229, 445844, 732458, 891688, 1464916, 2563603, 2929832, 5127206, 10254412, 20508824]

約数ペア:

[(1, 20508824), (2, 10254412), (4, 5127206), (7, 2929832), (8, 2563603), (14, 1464916), (23, 891688), (28, 732458), (46, 445844), (56, 366229), (92, 222922), (161, 127384), (184, 111461), (322, 63692), (644, 31846), (1288, 15923)]