20763680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18539}}^1$

素因数の和:18561

約数の個数: 48

約数和(自身を含む): 56064960

約数和(自身を除く): 35301280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18539, 37078, 74156, 92695, 129773, 148312, 185390, 259546, 296624, 370780, 519092, 593248, 648865, 741560, 1038184, 1297730, 1483120, 2076368, 2595460, 2966240, 4152736, 5190920, 10381840, 20763680]

約数ペア:

[(1, 20763680), (2, 10381840), (4, 5190920), (5, 4152736), (7, 2966240), (8, 2595460), (10, 2076368), (14, 1483120), (16, 1297730), (20, 1038184), (28, 741560), (32, 648865), (35, 593248), (40, 519092), (56, 370780), (70, 296624), (80, 259546), (112, 185390), (140, 148312), (160, 129773), (224, 92695), (280, 74156), (560, 37078), (1120, 18539)]