20732949

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 31802240

約数和(自身を除く): 11069291

約数列:

[1, 3, 9, 27, 67, 73, 157, 201, 219, 471, 603, 657, 1413, 1809, 1971, 4239, 4891, 10519, 11461, 14673, 31557, 34383, 44019, 94671, 103149, 132057, 284013, 309447, 767887, 2303661, 6910983, 20732949]

約数ペア:

[(1, 20732949), (3, 6910983), (9, 2303661), (27, 767887), (67, 309447), (73, 284013), (157, 132057), (201, 103149), (219, 94671), (471, 44019), (603, 34383), (657, 31557), (1413, 14673), (1809, 11461), (1971, 10519), (4239, 4891)]