20948469

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 31857696

約数和(自身を除く): 10909227

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 361, 437, 551, 667, 841, 1083, 1311, 1653, 2001, 2523, 8303, 10469, 12673, 15979, 19343, 24909, 31407, 38019, 47937, 58029, 240787, 303601, 367517, 722361, 910803, 1102551, 6982823, 20948469]

約数ペア:

[(1, 20948469), (3, 6982823), (19, 1102551), (23, 910803), (29, 722361), (57, 367517), (69, 303601), (87, 240787), (361, 58029), (437, 47937), (551, 38019), (667, 31407), (841, 24909), (1083, 19343), (1311, 15979), (1653, 12673), (2001, 10469), (2523, 8303)]