20748952

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 46395720

約数和(自身を除く): 25646768

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 1291, 2009, 2296, 2582, 4018, 5164, 8036, 9037, 10328, 16072, 18074, 36148, 52931, 63259, 72296, 105862, 126518, 211724, 253036, 370517, 423448, 506072, 741034, 1482068, 2593619, 2964136, 5187238, 10374476, 20748952]

約数ペア:

[(1, 20748952), (2, 10374476), (4, 5187238), (7, 2964136), (8, 2593619), (14, 1482068), (28, 741034), (41, 506072), (49, 423448), (56, 370517), (82, 253036), (98, 211724), (164, 126518), (196, 105862), (287, 72296), (328, 63259), (392, 52931), (574, 36148), (1148, 18074), (1291, 16072), (2009, 10328), (2296, 9037), (2582, 8036), (4018, 5164)]