20485675

素因数分解:

$5^2\times 7^3\times {\mathrm{2389}}^1$

素因数の和:2420

約数の個数: 24

約数和(自身を含む): 29636000

約数和(自身を除く): 9150325

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 1225, 1715, 2389, 8575, 11945, 16723, 59725, 83615, 117061, 418075, 585305, 819427, 2926525, 4097135, 20485675]

約数ペア:

[(1, 20485675), (5, 4097135), (7, 2926525), (25, 819427), (35, 585305), (49, 418075), (175, 117061), (245, 83615), (343, 59725), (1225, 16723), (1715, 11945), (2389, 8575)]