20337700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7013}}^1$

素因数の和:7056

約数の個数: 36

約数和(自身を含む): 45661140

約数和(自身を除く): 25323440

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7013, 14026, 28052, 35065, 70130, 140260, 175325, 203377, 350650, 406754, 701300, 813508, 1016885, 2033770, 4067540, 5084425, 10168850, 20337700]

約数ペア:

[(1, 20337700), (2, 10168850), (4, 5084425), (5, 4067540), (10, 2033770), (20, 1016885), (25, 813508), (29, 701300), (50, 406754), (58, 350650), (100, 203377), (116, 175325), (145, 140260), (290, 70130), (580, 35065), (725, 28052), (1450, 14026), (2900, 7013)]