20047131

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10079}}^1$

素因数の和:10115

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 12974949

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10079, 30237, 90711, 131027, 171343, 393081, 514029, 1179243, 1542087, 2227459, 6682377, 20047131]

約数ペア:

[(1, 20047131), (3, 6682377), (9, 2227459), (13, 1542087), (17, 1179243), (39, 514029), (51, 393081), (117, 171343), (153, 131027), (221, 90711), (663, 30237), (1989, 10079)]