20960

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1$

素因数の和:146

約数の個数: 24

約数和(自身を含む): 49896

約数和(自身を除く): 28936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 10480, 20960]

約数ペア:

[(1, 20960), (2, 10480), (4, 5240), (5, 4192), (8, 2620), (10, 2096), (16, 1310), (20, 1048), (32, 655), (40, 524), (80, 262), (131, 160)]