20588139

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 37031904

約数和(自身を除く): 16443765

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 941, 1287, 1683, 1989, 2431, 2823, 7293, 8469, 10351, 12233, 15997, 21879, 31053, 36699, 47991, 93159, 110097, 134563, 143973, 175967, 207961, 403689, 527901, 623883, 1211067, 1583703, 1871649, 2287571, 6862713, 20588139]

約数ペア:

[(1, 20588139), (3, 6862713), (9, 2287571), (11, 1871649), (13, 1583703), (17, 1211067), (33, 623883), (39, 527901), (51, 403689), (99, 207961), (117, 175967), (143, 143973), (153, 134563), (187, 110097), (221, 93159), (429, 47991), (561, 36699), (663, 31053), (941, 21879), (1287, 15997), (1683, 12233), (1989, 10351), (2431, 8469), (2823, 7293)]