20470131

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 33369600

約数和(自身を除く): 12899469

約数列:

[1, 3, 9, 11, 27, 33, 99, 157, 297, 439, 471, 1317, 1413, 1727, 3951, 4239, 4829, 5181, 11853, 14487, 15543, 43461, 46629, 68923, 130383, 206769, 620307, 758153, 1860921, 2274459, 6823377, 20470131]

約数ペア:

[(1, 20470131), (3, 6823377), (9, 2274459), (11, 1860921), (27, 758153), (33, 620307), (99, 206769), (157, 130383), (297, 68923), (439, 46629), (471, 43461), (1317, 15543), (1413, 14487), (1727, 11853), (3951, 5181), (4239, 4829)]