20344689

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{2887}}^1$

素因数の和:2931

約数の個数: 24

約数和(自身を含む): 31536960

約数和(自身を除く): 11192271

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 2887, 7047, 8661, 25983, 77949, 83723, 233847, 251169, 701541, 753507, 2260521, 6781563, 20344689]

約数ペア:

[(1, 20344689), (3, 6781563), (9, 2260521), (27, 753507), (29, 701541), (81, 251169), (87, 233847), (243, 83723), (261, 77949), (783, 25983), (2349, 8661), (2887, 7047)]