20501152

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4817}}^1$

素因数の和:4853

約数の個数: 48

約数和(自身を含む): 48565440

約数和(自身を除く): 28064288

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4817, 9634, 19268, 33719, 38536, 67438, 77072, 91523, 134876, 154144, 183046, 269752, 366092, 539504, 640661, 732184, 1079008, 1281322, 1464368, 2562644, 2928736, 5125288, 10250576, 20501152]

約数ペア:

[(1, 20501152), (2, 10250576), (4, 5125288), (7, 2928736), (8, 2562644), (14, 1464368), (16, 1281322), (19, 1079008), (28, 732184), (32, 640661), (38, 539504), (56, 366092), (76, 269752), (112, 183046), (133, 154144), (152, 134876), (224, 91523), (266, 77072), (304, 67438), (532, 38536), (608, 33719), (1064, 19268), (2128, 9634), (4256, 4817)]