20811412

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4813}}^1$

素因数の和:4887

約数の個数: 24

約数和(自身を含む): 38820096

約数和(自身を除く): 18008684

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4813, 9626, 19252, 110699, 221398, 226211, 442796, 452422, 904844, 5202853, 10405706, 20811412]

約数ペア:

[(1, 20811412), (2, 10405706), (4, 5202853), (23, 904844), (46, 452422), (47, 442796), (92, 226211), (94, 221398), (188, 110699), (1081, 19252), (2162, 9626), (4324, 4813)]