20297288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{877}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 41722560

約数和(自身を除く): 21425272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 263, 526, 877, 1052, 1754, 2104, 2893, 3508, 5786, 7016, 9647, 11572, 19294, 23144, 38588, 77176, 230651, 461302, 922604, 1845208, 2537161, 5074322, 10148644, 20297288]

約数ペア:

[(1, 20297288), (2, 10148644), (4, 5074322), (8, 2537161), (11, 1845208), (22, 922604), (44, 461302), (88, 230651), (263, 77176), (526, 38588), (877, 23144), (1052, 19294), (1754, 11572), (2104, 9647), (2893, 7016), (3508, 5786)]