20207946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 45349920

約数和(自身を除く): 25141974

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 106, 109, 159, 218, 318, 327, 583, 654, 1166, 1199, 1749, 2398, 2809, 3498, 3597, 5618, 5777, 7194, 8427, 11554, 16854, 17331, 30899, 34662, 61798, 63547, 92697, 127094, 185394, 190641, 306181, 381282, 612362, 918543, 1837086, 3367991, 6735982, 10103973, 20207946]

約数ペア:

[(1, 20207946), (2, 10103973), (3, 6735982), (6, 3367991), (11, 1837086), (22, 918543), (33, 612362), (53, 381282), (66, 306181), (106, 190641), (109, 185394), (159, 127094), (218, 92697), (318, 63547), (327, 61798), (583, 34662), (654, 30899), (1166, 17331), (1199, 16854), (1749, 11554), (2398, 8427), (2809, 7194), (3498, 5777), (3597, 5618)]