20382852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{563}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 54577152

約数和(自身を除く): 34194300

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 431, 563, 862, 1126, 1293, 1689, 1724, 2252, 2586, 3017, 3378, 3941, 5172, 6034, 6756, 7882, 9051, 11823, 12068, 15764, 18102, 23646, 36204, 47292, 242653, 485306, 727959, 970612, 1455918, 1698571, 2911836, 3397142, 5095713, 6794284, 10191426, 20382852]

約数ペア:

[(1, 20382852), (2, 10191426), (3, 6794284), (4, 5095713), (6, 3397142), (7, 2911836), (12, 1698571), (14, 1455918), (21, 970612), (28, 727959), (42, 485306), (84, 242653), (431, 47292), (563, 36204), (862, 23646), (1126, 18102), (1293, 15764), (1689, 12068), (1724, 11823), (2252, 9051), (2586, 7882), (3017, 6756), (3378, 6034), (3941, 5172)]