20509603208

素因数分解:

$2^3\times {\mathrm{241}}^1\times {\mathrm{937}}^1\times {\mathrm{11353}}^1$

素因数の和:12537

約数の個数: 32

約数和(自身を含む): 38659688760

約数和(自身を除く): 18150085552

約数列:

[1, 2, 4, 8, 241, 482, 937, 964, 1874, 1928, 3748, 7496, 11353, 22706, 45412, 90824, 225817, 451634, 903268, 1806536, 2736073, 5472146, 10637761, 10944292, 21275522, 21888584, 42551044, 85102088, 2563700401, 5127400802, 10254801604, 20509603208]

約数ペア:

[(1, 20509603208), (2, 10254801604), (4, 5127400802), (8, 2563700401), (241, 85102088), (482, 42551044), (937, 21888584), (964, 21275522), (1874, 10944292), (1928, 10637761), (3748, 5472146), (7496, 2736073), (11353, 1806536), (22706, 903268), (45412, 451634), (90824, 225817)]