20009217

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{659}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 27720000

約数和(自身を除く): 7710783

約数列:

[1, 3, 29, 87, 349, 659, 1047, 1977, 10121, 19111, 30363, 57333, 229991, 689973, 6669739, 20009217]

約数ペア:

[(1, 20009217), (3, 6669739), (29, 689973), (87, 229991), (349, 57333), (659, 30363), (1047, 19111), (1977, 10121)]