20568520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73459}}^1$

素因数の和:73477

約数の個数: 32

約数和(自身を含む): 52891200

約数和(自身を除く): 32322680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73459, 146918, 293836, 367295, 514213, 587672, 734590, 1028426, 1469180, 2056852, 2571065, 2938360, 4113704, 5142130, 10284260, 20568520]

約数ペア:

[(1, 20568520), (2, 10284260), (4, 5142130), (5, 4113704), (7, 2938360), (8, 2571065), (10, 2056852), (14, 1469180), (20, 1028426), (28, 734590), (35, 587672), (40, 514213), (56, 367295), (70, 293836), (140, 146918), (280, 73459)]