20078047647

素因数分解:

$3^2\times 7^1\times {\mathrm{877}}^1\times {\mathrm{363397}}^1$

素因数の和:364287

約数の個数: 24

約数和(自身を含む): 33182598176

約数和(自身を除く): 13104550529

約数列:

[1, 3, 7, 9, 21, 63, 877, 2631, 6139, 7893, 18417, 55251, 363397, 1090191, 2543779, 3270573, 7631337, 22894011, 318699169, 956097507, 2230894183, 2868292521, 6692682549, 20078047647]

約数ペア:

[(1, 20078047647), (3, 6692682549), (7, 2868292521), (9, 2230894183), (21, 956097507), (63, 318699169), (877, 22894011), (2631, 7631337), (6139, 3270573), (7893, 2543779), (18417, 1090191), (55251, 363397)]