20512861208

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8934173}}^1$

素因数の和:8934227

約数の個数: 32

約数和(自身を含む): 45028236960

約数和(自身を除く): 24515375752

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8934173, 17868346, 35736692, 62539211, 71473384, 125078422, 250156844, 366301093, 500313688, 732602186, 1465204372, 2564107651, 2930408744, 5128215302, 10256430604, 20512861208]

約数ペア:

[(1, 20512861208), (2, 10256430604), (4, 5128215302), (7, 2930408744), (8, 2564107651), (14, 1465204372), (28, 732602186), (41, 500313688), (56, 366301093), (82, 250156844), (164, 125078422), (287, 71473384), (328, 62539211), (574, 35736692), (1148, 17868346), (2296, 8934173)]