20417474

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 38434176

約数和(自身を除く): 18016702

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 673, 1346, 1379, 2167, 2758, 4334, 4711, 7403, 9422, 14806, 15169, 30338, 51821, 103642, 132581, 265162, 928067, 1458391, 1856134, 2916782, 10208737, 20417474]

約数ペア:

[(1, 20417474), (2, 10208737), (7, 2916782), (11, 1856134), (14, 1458391), (22, 928067), (77, 265162), (154, 132581), (197, 103642), (394, 51821), (673, 30338), (1346, 15169), (1379, 14806), (2167, 9422), (2758, 7403), (4334, 4711)]