200920027

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 260029440

約数和(自身を除く): 59109413

約数列:

[1, 7, 11, 37, 77, 109, 259, 407, 647, 763, 1199, 2849, 4033, 4529, 7117, 8393, 23939, 28231, 44363, 49819, 70523, 167573, 263329, 310541, 493661, 775753, 1843303, 2609351, 5430271, 18265457, 28702861, 200920027]

約数ペア:

[(1, 200920027), (7, 28702861), (11, 18265457), (37, 5430271), (77, 2609351), (109, 1843303), (259, 775753), (407, 493661), (647, 310541), (763, 263329), (1199, 167573), (2849, 70523), (4033, 49819), (4529, 44363), (7117, 28231), (8393, 23939)]