20135871249

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{142981}}^1$

素因数の和:143177

約数の個数: 32

約数和(自身を含む): 30362513664

約数和(自身を除く): 10226642415

約数列:

[1, 3, 13, 23, 39, 69, 157, 299, 471, 897, 2041, 3611, 6123, 10833, 46943, 140829, 142981, 428943, 1858753, 3288563, 5576259, 9865689, 22448017, 42751319, 67344051, 128253957, 291824221, 516304391, 875472663, 1548913173, 6711957083, 20135871249]

約数ペア:

[(1, 20135871249), (3, 6711957083), (13, 1548913173), (23, 875472663), (39, 516304391), (69, 291824221), (157, 128253957), (299, 67344051), (471, 42751319), (897, 22448017), (2041, 9865689), (3611, 5576259), (6123, 3288563), (10833, 1858753), (46943, 428943), (140829, 142981)]