20156436

素因数分解:

$2^2\times 3^2\times {\mathrm{559901}}^1$

素因数の和:559911

約数の個数: 18

約数和(自身を含む): 50951082

約数和(自身を除く): 30794646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 559901, 1119802, 1679703, 2239604, 3359406, 5039109, 6718812, 10078218, 20156436]

約数ペア:

[(1, 20156436), (2, 10078218), (3, 6718812), (4, 5039109), (6, 3359406), (9, 2239604), (12, 1679703), (18, 1119802), (36, 559901)]