20899065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5507}}^1$

素因数の和:5549

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 17172231

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5507, 16521, 27535, 60577, 82605, 126661, 181731, 302885, 379983, 633305, 908655, 1393271, 1899915, 4179813, 6966355, 20899065]

約数ペア:

[(1, 20899065), (3, 6966355), (5, 4179813), (11, 1899915), (15, 1393271), (23, 908655), (33, 633305), (55, 379983), (69, 302885), (115, 181731), (165, 126661), (253, 82605), (345, 60577), (759, 27535), (1265, 16521), (3795, 5507)]