20517378

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3673}}^1$

素因数の和:3711

約数の個数: 48

約数和(自身を含む): 50260320

約数和(自身を除く): 29742942

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3673, 5586, 7346, 11019, 22038, 25711, 51422, 69787, 77133, 139574, 154266, 179977, 209361, 359954, 418722, 488509, 539931, 977018, 1079862, 1465527, 2931054, 3419563, 6839126, 10258689, 20517378]

約数ペア:

[(1, 20517378), (2, 10258689), (3, 6839126), (6, 3419563), (7, 2931054), (14, 1465527), (19, 1079862), (21, 977018), (38, 539931), (42, 488509), (49, 418722), (57, 359954), (98, 209361), (114, 179977), (133, 154266), (147, 139574), (266, 77133), (294, 69787), (399, 51422), (798, 25711), (931, 22038), (1862, 11019), (2793, 7346), (3673, 5586)]