20727560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74027}}^1$

素因数の和:74045

約数の個数: 32

約数和(自身を含む): 53300160

約数和(自身を除く): 32572600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74027, 148054, 296108, 370135, 518189, 592216, 740270, 1036378, 1480540, 2072756, 2590945, 2961080, 4145512, 5181890, 10363780, 20727560]

約数ペア:

[(1, 20727560), (2, 10363780), (4, 5181890), (5, 4145512), (7, 2961080), (8, 2590945), (10, 2072756), (14, 1480540), (20, 1036378), (28, 740270), (35, 592216), (40, 518189), (56, 370135), (70, 296108), (140, 148054), (280, 74027)]