20167504

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7829}}^1$

素因数の和:7867

約数の個数: 40

約数和(自身を含む): 46604160

約数和(自身を除く): 26436656

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7829, 15658, 31316, 54803, 62632, 109606, 125264, 180067, 219212, 360134, 438424, 720268, 876848, 1260469, 1440536, 2520938, 2881072, 5041876, 10083752, 20167504]

約数ペア:

[(1, 20167504), (2, 10083752), (4, 5041876), (7, 2881072), (8, 2520938), (14, 1440536), (16, 1260469), (23, 876848), (28, 720268), (46, 438424), (56, 360134), (92, 219212), (112, 180067), (161, 125264), (184, 109606), (322, 62632), (368, 54803), (644, 31316), (1288, 15658), (2576, 7829)]