20733251

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 28035072

約数和(自身を除く): 7301821

約数列:

[1, 7, 11, 17, 47, 77, 119, 187, 329, 337, 517, 799, 1309, 2359, 3619, 3707, 5593, 5729, 8789, 15839, 25949, 40103, 61523, 63019, 110873, 174229, 269263, 441133, 1219603, 1884841, 2961893, 20733251]

約数ペア:

[(1, 20733251), (7, 2961893), (11, 1884841), (17, 1219603), (47, 441133), (77, 269263), (119, 174229), (187, 110873), (329, 63019), (337, 61523), (517, 40103), (799, 25949), (1309, 15839), (2359, 8789), (3619, 5729), (3707, 5593)]