20011311

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 30357600

約数和(自身を除く): 10346289

約数列:

[1, 3, 9, 23, 69, 207, 277, 349, 831, 1047, 2493, 3141, 6371, 8027, 19113, 24081, 57339, 72243, 96673, 290019, 870057, 2223479, 6670437, 20011311]

約数ペア:

[(1, 20011311), (3, 6670437), (9, 2223479), (23, 870057), (69, 290019), (207, 96673), (277, 72243), (349, 57339), (831, 24081), (1047, 19113), (2493, 8027), (3141, 6371)]