20605284

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11681}}^1$

素因数の和:11705

約数の個数: 54

約数和(自身を含む): 60594534

約数和(自身を除く): 39989250

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11681, 23362, 35043, 46724, 70086, 81767, 105129, 140172, 163534, 210258, 245301, 327068, 420516, 490602, 572369, 735903, 981204, 1144738, 1471806, 1717107, 2289476, 2943612, 3434214, 5151321, 6868428, 10302642, 20605284]

約数ペア:

[(1, 20605284), (2, 10302642), (3, 6868428), (4, 5151321), (6, 3434214), (7, 2943612), (9, 2289476), (12, 1717107), (14, 1471806), (18, 1144738), (21, 981204), (28, 735903), (36, 572369), (42, 490602), (49, 420516), (63, 327068), (84, 245301), (98, 210258), (126, 163534), (147, 140172), (196, 105129), (252, 81767), (294, 70086), (441, 46724), (588, 35043), (882, 23362), (1764, 11681)]