20155795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21557}}^1$

素因数の和:21590

約数の個数: 16

約数和(自身を含む): 27939168

約数和(自身を除く): 7783373

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21557, 107785, 237127, 366469, 1185635, 1832345, 4031159, 20155795]

約数ペア:

[(1, 20155795), (5, 4031159), (11, 1832345), (17, 1185635), (55, 366469), (85, 237127), (187, 107785), (935, 21557)]