20941095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 39578112

約数和(自身を除く): 18637017

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 71, 105, 159, 213, 265, 355, 371, 497, 795, 1065, 1113, 1491, 1855, 2485, 2809, 3763, 5565, 7455, 8427, 11289, 14045, 18815, 19663, 26341, 42135, 56445, 58989, 79023, 98315, 131705, 199439, 294945, 395115, 598317, 997195, 1396073, 2991585, 4188219, 6980365, 20941095]

約数ペア:

[(1, 20941095), (3, 6980365), (5, 4188219), (7, 2991585), (15, 1396073), (21, 997195), (35, 598317), (53, 395115), (71, 294945), (105, 199439), (159, 131705), (213, 98315), (265, 79023), (355, 58989), (371, 56445), (497, 42135), (795, 26341), (1065, 19663), (1113, 18815), (1491, 14045), (1855, 11289), (2485, 8427), (2809, 7455), (3763, 5565)]