20116288

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 56

約数和(自身を含む): 42793920

約数和(自身を除く): 22677632

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 142, 152, 233, 284, 304, 466, 568, 608, 932, 1136, 1216, 1349, 1864, 2272, 2698, 3728, 4427, 4544, 5396, 7456, 8854, 10792, 14912, 16543, 17708, 21584, 33086, 35416, 43168, 66172, 70832, 86336, 132344, 141664, 264688, 283328, 314317, 529376, 628634, 1058752, 1257268, 2514536, 5029072, 10058144, 20116288]

約数ペア:

[(1, 20116288), (2, 10058144), (4, 5029072), (8, 2514536), (16, 1257268), (19, 1058752), (32, 628634), (38, 529376), (64, 314317), (71, 283328), (76, 264688), (142, 141664), (152, 132344), (233, 86336), (284, 70832), (304, 66172), (466, 43168), (568, 35416), (608, 33086), (932, 21584), (1136, 17708), (1216, 16543), (1349, 14912), (1864, 10792), (2272, 8854), (2698, 7456), (3728, 5396), (4427, 4544)]