20766128

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2273}}^1$

素因数の和:2852

約数の個数: 20

約数和(自身を含む): 40322568

約数和(自身を除く): 19556440

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2273, 2284, 4546, 4568, 9092, 9136, 18184, 36368, 1297883, 2595766, 5191532, 10383064, 20766128]

約数ペア:

[(1, 20766128), (2, 10383064), (4, 5191532), (8, 2595766), (16, 1297883), (571, 36368), (1142, 18184), (2273, 9136), (2284, 9092), (4546, 4568)]