20101562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 33762960

約数和(自身を除く): 13661398

約数列:

[1, 2, 13, 26, 41, 82, 109, 173, 218, 346, 533, 1066, 1417, 2249, 2834, 4469, 4498, 7093, 8938, 14186, 18857, 37714, 58097, 92209, 116194, 184418, 245141, 490282, 773137, 1546274, 10050781, 20101562]

約数ペア:

[(1, 20101562), (2, 10050781), (13, 1546274), (26, 773137), (41, 490282), (82, 245141), (109, 184418), (173, 116194), (218, 92209), (346, 58097), (533, 37714), (1066, 18857), (1417, 14186), (2249, 8938), (2834, 7093), (4469, 4498)]