20952687

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3089}}^1$

素因数の和:3135

約数の個数: 32

約数和(自身を含む): 35596800

約数和(自身を除く): 14644113

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 3089, 6783, 9267, 21623, 52513, 58691, 64869, 157539, 176073, 367591, 410837, 997747, 1102773, 1232511, 2993241, 6984229, 20952687]

約数ペア:

[(1, 20952687), (3, 6984229), (7, 2993241), (17, 1232511), (19, 1102773), (21, 997747), (51, 410837), (57, 367591), (119, 176073), (133, 157539), (323, 64869), (357, 58691), (399, 52513), (969, 21623), (2261, 9267), (3089, 6783)]