20163776721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{403849}}^1$

素因数の和:403969

約数の個数: 32

約数和(自身を含む): 31403376000

約数和(自身を除く): 11239599279

約数列:

[1, 3, 11, 17, 33, 51, 89, 187, 267, 561, 979, 1513, 2937, 4539, 16643, 49929, 403849, 1211547, 4442339, 6865433, 13327017, 20596299, 35942561, 75519763, 107827683, 226559289, 395368171, 611023537, 1186104513, 1833070611, 6721258907, 20163776721]

約数ペア:

[(1, 20163776721), (3, 6721258907), (11, 1833070611), (17, 1186104513), (33, 611023537), (51, 395368171), (89, 226559289), (187, 107827683), (267, 75519763), (561, 35942561), (979, 20596299), (1513, 13327017), (2937, 6865433), (4539, 4442339), (16643, 1211547), (49929, 403849)]