16620140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17681}}^1$

素因数の和:17737

約数の個数: 24

約数和(自身を含む): 35646912

約数和(自身を除く): 19026772

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 17681, 35362, 70724, 88405, 176810, 353620, 831007, 1662014, 3324028, 4155035, 8310070, 16620140]

約数ペア:

[(1, 16620140), (2, 8310070), (4, 4155035), (5, 3324028), (10, 1662014), (20, 831007), (47, 353620), (94, 176810), (188, 88405), (235, 70724), (470, 35362), (940, 17681)]