20298992

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9539}}^1$

素因数の和:9573

約数の個数: 40

約数和(自身を含む): 47318400

約数和(自身を除く): 27019408

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9539, 19078, 38156, 66773, 76312, 133546, 152624, 181241, 267092, 362482, 534184, 724964, 1068368, 1268687, 1449928, 2537374, 2899856, 5074748, 10149496, 20298992]

約数ペア:

[(1, 20298992), (2, 10149496), (4, 5074748), (7, 2899856), (8, 2537374), (14, 1449928), (16, 1268687), (19, 1068368), (28, 724964), (38, 534184), (56, 362482), (76, 267092), (112, 181241), (133, 152624), (152, 133546), (266, 76312), (304, 66773), (532, 38156), (1064, 19078), (2128, 9539)]