20455071

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 34664448

約数和(自身を除く): 14209377

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2417, 2821, 7251, 8463, 16919, 31421, 50757, 74927, 94263, 219947, 224781, 524489, 659841, 974051, 1573467, 2922153, 6818357, 20455071]

約数ペア:

[(1, 20455071), (3, 6818357), (7, 2922153), (13, 1573467), (21, 974051), (31, 659841), (39, 524489), (91, 224781), (93, 219947), (217, 94263), (273, 74927), (403, 50757), (651, 31421), (1209, 16919), (2417, 8463), (2821, 7251)]