20594936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 43718400

約数和(自身を除く): 23123464

約数列:

[1, 2, 4, 8, 19, 23, 38, 43, 46, 76, 86, 92, 137, 152, 172, 184, 274, 344, 437, 548, 817, 874, 989, 1096, 1634, 1748, 1978, 2603, 3151, 3268, 3496, 3956, 5206, 5891, 6302, 6536, 7912, 10412, 11782, 12604, 18791, 20824, 23564, 25208, 37582, 47128, 59869, 75164, 111929, 119738, 135493, 150328, 223858, 239476, 270986, 447716, 478952, 541972, 895432, 1083944, 2574367, 5148734, 10297468, 20594936]

約数ペア:

[(1, 20594936), (2, 10297468), (4, 5148734), (8, 2574367), (19, 1083944), (23, 895432), (38, 541972), (43, 478952), (46, 447716), (76, 270986), (86, 239476), (92, 223858), (137, 150328), (152, 135493), (172, 119738), (184, 111929), (274, 75164), (344, 59869), (437, 47128), (548, 37582), (817, 25208), (874, 23564), (989, 20824), (1096, 18791), (1634, 12604), (1748, 11782), (1978, 10412), (2603, 7912), (3151, 6536), (3268, 6302), (3496, 5891), (3956, 5206)]