20828587

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1302

約数の個数: 16

約数和(自身を含む): 24071040

約数和(自身を除く): 3242453

約数列:

[1, 13, 17, 79, 221, 1027, 1193, 1343, 15509, 17459, 20281, 94247, 263653, 1225211, 1602199, 20828587]

約数ペア:

[(1, 20828587), (13, 1602199), (17, 1225211), (79, 263653), (221, 94247), (1027, 20281), (1193, 17459), (1343, 15509)]