20111792

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 40245936

約数和(自身を除く): 20134144

約数列:

[1, 2, 4, 8, 16, 67, 73, 134, 146, 257, 268, 292, 514, 536, 584, 1028, 1072, 1168, 2056, 4112, 4891, 9782, 17219, 18761, 19564, 34438, 37522, 39128, 68876, 75044, 78256, 137752, 150088, 275504, 300176, 1256987, 2513974, 5027948, 10055896, 20111792]

約数ペア:

[(1, 20111792), (2, 10055896), (4, 5027948), (8, 2513974), (16, 1256987), (67, 300176), (73, 275504), (134, 150088), (146, 137752), (257, 78256), (268, 75044), (292, 68876), (514, 39128), (536, 37522), (584, 34438), (1028, 19564), (1072, 18761), (1168, 17219), (2056, 9782), (4112, 4891)]