20426055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 36701280

約数和(自身を除く): 16275225

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 109, 155, 195, 327, 403, 465, 545, 961, 1209, 1417, 1635, 2015, 2883, 3379, 4251, 4805, 6045, 7085, 10137, 12493, 14415, 16895, 21255, 37479, 43927, 50685, 62465, 104749, 131781, 187395, 219635, 314247, 523745, 658905, 1361737, 1571235, 4085211, 6808685, 20426055]

約数ペア:

[(1, 20426055), (3, 6808685), (5, 4085211), (13, 1571235), (15, 1361737), (31, 658905), (39, 523745), (65, 314247), (93, 219635), (109, 187395), (155, 131781), (195, 104749), (327, 62465), (403, 50685), (465, 43927), (545, 37479), (961, 21255), (1209, 16895), (1417, 14415), (1635, 12493), (2015, 10137), (2883, 7085), (3379, 6045), (4251, 4805)]