20797938

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55021}}^1$

素因数の和:55039

約数の個数: 32

約数和(自身を含む): 52821120

約数和(自身を除く): 32023182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55021, 110042, 165063, 330126, 385147, 495189, 770294, 990378, 1155441, 1485567, 2310882, 2971134, 3466323, 6932646, 10398969, 20797938]

約数ペア:

[(1, 20797938), (2, 10398969), (3, 6932646), (6, 3466323), (7, 2971134), (9, 2310882), (14, 1485567), (18, 1155441), (21, 990378), (27, 770294), (42, 495189), (54, 385147), (63, 330126), (126, 165063), (189, 110042), (378, 55021)]