1980208

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{5381}}^1$

素因数の和:5412

約数の個数: 20

約数和(自身を含む): 4004208

約数和(自身を除く): 2024000

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 5381, 10762, 21524, 43048, 86096, 123763, 247526, 495052, 990104, 1980208]

約数ペア:

[(1, 1980208), (2, 990104), (4, 495052), (8, 247526), (16, 123763), (23, 86096), (46, 43048), (92, 21524), (184, 10762), (368, 5381)]