20376549

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 11073051

約数列:

[1, 3, 9, 27, 41, 79, 123, 233, 237, 369, 699, 711, 1107, 2097, 2133, 3239, 6291, 9553, 9717, 18407, 28659, 29151, 55221, 85977, 87453, 165663, 257931, 496989, 754687, 2264061, 6792183, 20376549]

約数ペア:

[(1, 20376549), (3, 6792183), (9, 2264061), (27, 754687), (41, 496989), (79, 257931), (123, 165663), (233, 87453), (237, 85977), (369, 55221), (699, 29151), (711, 28659), (1107, 18407), (2097, 9717), (2133, 9553), (3239, 6291)]