20081709

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 32019840

約数和(自身を除く): 11938131

約数列:

[1, 3, 9, 17, 27, 51, 67, 153, 201, 459, 603, 653, 1139, 1809, 1959, 3417, 5877, 10251, 11101, 17631, 30753, 33303, 43751, 99909, 131253, 299727, 393759, 743767, 1181277, 2231301, 6693903, 20081709]

約数ペア:

[(1, 20081709), (3, 6693903), (9, 2231301), (17, 1181277), (27, 743767), (51, 393759), (67, 299727), (153, 131253), (201, 99909), (459, 43751), (603, 33303), (653, 30753), (1139, 17631), (1809, 11101), (1959, 10251), (3417, 5877)]