20154549616

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{479}}^1\times {\mathrm{37039}}^1$

素因数の和:37597

約数の個数: 40

約数和(自身を含む): 39683174400

約数和(自身を除く): 19528624784

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 479, 568, 958, 1136, 1916, 3832, 7664, 34009, 37039, 68018, 74078, 136036, 148156, 272072, 296312, 544144, 592624, 2629769, 5259538, 10519076, 17741681, 21038152, 35483362, 42076304, 70966724, 141933448, 283866896, 1259659351, 2519318702, 5038637404, 10077274808, 20154549616]

約数ペア:

[(1, 20154549616), (2, 10077274808), (4, 5038637404), (8, 2519318702), (16, 1259659351), (71, 283866896), (142, 141933448), (284, 70966724), (479, 42076304), (568, 35483362), (958, 21038152), (1136, 17741681), (1916, 10519076), (3832, 5259538), (7664, 2629769), (34009, 592624), (37039, 544144), (68018, 296312), (74078, 272072), (136036, 148156)]