20526268

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19813}}^1$

素因数の和:19861

約数の個数: 24

約数和(自身を含む): 42164192

約数和(自身を除く): 21637924

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19813, 39626, 79252, 138691, 277382, 554764, 733081, 1466162, 2932324, 5131567, 10263134, 20526268]

約数ペア:

[(1, 20526268), (2, 10263134), (4, 5131567), (7, 2932324), (14, 1466162), (28, 733081), (37, 554764), (74, 277382), (148, 138691), (259, 79252), (518, 39626), (1036, 19813)]