20168988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{34301}}^1$

素因数の和:34322

約数の個数: 36

約数和(自身を含む): 54745992

約数和(自身を除く): 34577004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 34301, 68602, 102903, 137204, 205806, 240107, 411612, 480214, 720321, 960428, 1440642, 1680749, 2881284, 3361498, 5042247, 6722996, 10084494, 20168988]

約数ペア:

[(1, 20168988), (2, 10084494), (3, 6722996), (4, 5042247), (6, 3361498), (7, 2881284), (12, 1680749), (14, 1440642), (21, 960428), (28, 720321), (42, 480214), (49, 411612), (84, 240107), (98, 205806), (147, 137204), (196, 102903), (294, 68602), (588, 34301)]