20654036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5441}}^1$

素因数の和:5531

約数の個数: 24

約数和(自身を含む): 39465384

約数和(自身を除く): 18811348

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5441, 10882, 21764, 70733, 141466, 282932, 397193, 794386, 1588772, 5163509, 10327018, 20654036]

約数ペア:

[(1, 20654036), (2, 10327018), (4, 5163509), (13, 1588772), (26, 794386), (52, 397193), (73, 282932), (146, 141466), (292, 70733), (949, 21764), (1898, 10882), (3796, 5441)]