20657392

素因数分解:

$2^4\times 7^1\times {\mathrm{184441}}^1$

素因数の和:184456

約数の個数: 20

約数和(自身を含む): 45741616

約数和(自身を除く): 25084224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184441, 368882, 737764, 1291087, 1475528, 2582174, 2951056, 5164348, 10328696, 20657392]

約数ペア:

[(1, 20657392), (2, 10328696), (4, 5164348), (7, 2951056), (8, 2582174), (14, 1475528), (16, 1291087), (28, 737764), (56, 368882), (112, 184441)]