20196208

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54881}}^1$

素因数の和:54912

約数の個数: 20

約数和(自身を含む): 40832208

約数和(自身を除く): 20636000

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54881, 109762, 219524, 439048, 878096, 1262263, 2524526, 5049052, 10098104, 20196208]

約数ペア:

[(1, 20196208), (2, 10098104), (4, 5049052), (8, 2524526), (16, 1262263), (23, 878096), (46, 439048), (92, 219524), (184, 109762), (368, 54881)]