20478931

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1254

約数の個数: 16

約数和(自身を含む): 23919840

約数和(自身を除く): 3440909

約数列:

[1, 11, 17, 97, 187, 1067, 1129, 1649, 12419, 18139, 19193, 109513, 211123, 1204643, 1861721, 20478931]

約数ペア:

[(1, 20478931), (11, 1861721), (17, 1204643), (97, 211123), (187, 109513), (1067, 19193), (1129, 18139), (1649, 12419)]