20149785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23567}}^1$

素因数の和:23597

約数の個数: 24

約数和(自身を含む): 36766080

約数和(自身を除く): 16616295

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23567, 70701, 117835, 212103, 353505, 447773, 1060515, 1343319, 2238865, 4029957, 6716595, 20149785]

約数ペア:

[(1, 20149785), (3, 6716595), (5, 4029957), (9, 2238865), (15, 1343319), (19, 1060515), (45, 447773), (57, 353505), (95, 212103), (171, 117835), (285, 70701), (855, 23567)]