20116940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21401}}^1$

素因数の和:21457

約数の個数: 24

約数和(自身を含む): 43146432

約数和(自身を除く): 23029492

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21401, 42802, 85604, 107005, 214010, 428020, 1005847, 2011694, 4023388, 5029235, 10058470, 20116940]

約数ペア:

[(1, 20116940), (2, 10058470), (4, 5029235), (5, 4023388), (10, 2011694), (20, 1005847), (47, 428020), (94, 214010), (188, 107005), (235, 85604), (470, 42802), (940, 21401)]