20577303

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 30579120

約数和(自身を除く): 10001817

約数列:

[1, 3, 9, 53, 159, 179, 241, 477, 537, 723, 1611, 2169, 9487, 12773, 28461, 38319, 43139, 85383, 114957, 129417, 388251, 2286367, 6859101, 20577303]

約数ペア:

[(1, 20577303), (3, 6859101), (9, 2286367), (53, 388251), (159, 129417), (179, 114957), (241, 85383), (477, 43139), (537, 38319), (723, 28461), (1611, 12773), (2169, 9487)]