20995836

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 52335360

約数和(自身を除く): 31339524

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1297, 1349, 2594, 2698, 3891, 4047, 5188, 5396, 7782, 8094, 15564, 16188, 24643, 49286, 73929, 92087, 98572, 147858, 184174, 276261, 295716, 368348, 552522, 1105044, 1749653, 3499306, 5248959, 6998612, 10497918, 20995836]

約数ペア:

[(1, 20995836), (2, 10497918), (3, 6998612), (4, 5248959), (6, 3499306), (12, 1749653), (19, 1105044), (38, 552522), (57, 368348), (71, 295716), (76, 276261), (114, 184174), (142, 147858), (213, 98572), (228, 92087), (284, 73929), (426, 49286), (852, 24643), (1297, 16188), (1349, 15564), (2594, 8094), (2698, 7782), (3891, 5396), (4047, 5188)]