20496867

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 27915168

約数和(自身を除く): 7418301

約数列:

[1, 3, 73, 173, 219, 519, 541, 1623, 12629, 37887, 39493, 93593, 118479, 280779, 6832289, 20496867]

約数ペア:

[(1, 20496867), (3, 6832289), (73, 280779), (173, 118479), (219, 93593), (519, 39493), (541, 37887), (1623, 12629)]