20097273

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1493}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 30692736

約数和(自身を除く): 10595463

約数列:

[1, 3, 7, 21, 641, 1493, 1923, 4479, 4487, 10451, 13461, 31353, 957013, 2871039, 6699091, 20097273]

約数ペア:

[(1, 20097273), (3, 6699091), (7, 2871039), (21, 957013), (641, 31353), (1493, 13461), (1923, 10451), (4479, 4487)]