20262284

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5441}}^1$

素因数の和:5478

約数の個数: 36

約数和(自身を含む): 43427160

約数和(自身を除く): 23164876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5441, 10882, 21764, 38087, 76174, 103379, 152348, 206758, 266609, 413516, 533218, 723653, 1066436, 1447306, 2894612, 5065571, 10131142, 20262284]

約数ペア:

[(1, 20262284), (2, 10131142), (4, 5065571), (7, 2894612), (14, 1447306), (19, 1066436), (28, 723653), (38, 533218), (49, 413516), (76, 266609), (98, 206758), (133, 152348), (196, 103379), (266, 76174), (532, 38087), (931, 21764), (1862, 10882), (3724, 5441)]